Answer:
the wieght
Explanation:
Answer:
a = f (net) / m
Explanation:
a = f (net) / m, where a = acceleration, f (net) = the net force acting on the object, m = the mass of the object.
Jupiter is a larger and more massive planet than Earth. If we could send a chicken to Jupiter, which statement below accurately describes the mass and relative weight of the chicken.
Question 3 options:
The mass and the weight of the chicken would increase.
The weight of the chicken would increase, but there would be no change in mass.
The mass of the chicken would increase, but its weight would decrease.
The mass of the chicken would change, but there would be no change in weight.
Answer:
The correct option is
b.) The weight of the chicken would increase, but there would be no
change in mass.
Explanation:
Jupiter is a larger and more massive planet than Earth.
The gravity of Jupiter is much more than Earth.
The weight of an object on a planet depends on the planet's gravity.
The weight of an object on a planet = (mass of the object) [tex]\times[/tex] (gravity of the planet)
Therefore the mass of an object is the same on any plant irrespective of the gravity of the planet.
Since the gravity of Jupiter is more than that of Earth then the weight of the chicken on Jupiter will be more than the weight of the same chicken on Earth.
Therefore the correct option is
b.) The weight of the chicken would increase, but there would be no
change in mass.
The only types of changes that can happen to an ecosystem are biological.
1) True
2) False
How many atoms are in one cell
Answer:
The number of atoms in a single cell is equal to 100 trillion or 100000000000000 atoms in 1 cell
Explanation:
The number of atoms in a single cell is equal to 100 trillion or 100000000000000 atoms in 1 cell. Another interesting fact that in the entire human body , the number of cells is also found to nearly equal to 100 trillion.
Hope this help
Have a nice day!!!!!!
Depending on the type of cell and its size, a cell's atom count can change. A normal human cell is thought to have 100 trillion (1014) atoms on average. This contains the atoms of different elements that make up the molecules and structures in the cell, including carbon, hydrogen, oxygen, nitrogen, phosphorus, and many more.
It's crucial to remember that a cell's exact atom count might change depending on the type of cell, its size, and the particular chemicals it contains. The makeup of each cell varies, and various chemicals and elements may be present in different concentrations.
Moreover, as cellular activities including chemical synthesis, breakdown, and energy metabolism take place, the number of atoms in a cell can also alter dynamically.
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Groundwater is polluted by:
Chemical Fertilizers
Automobile exhaust
Fossil Fuel Burining
All of the Above
All of the above.
Explanation:
Ground water is polluted by Chemical fertilizers, Automobile exhaust as well as Fossil fuel burning.
Chemical fertilizers are directly causin ground water pollution. The excess of Chemical fertilizers on the land results in leaching of these chemicals into the ground water during rains.
But the Automobile exhaust and Fossil fuel burning are indirectly causing ground water pollution.
This can best be explained by considering the effects of acid rain on ground water. Acid rain causes harmful elements and certain toxic substance to dissolve in it and leach into the soil reaching the ground water. The Ground water acidification is also a consequence of acid rain.
Acid rains results from the presence of oxides of nitrogen, carbons, sulphur etc. These air pollutants are added to the atmosphere by automobile exhausts and fossil fuel burning.
So, we can conclude that automobile exhaust and fossil fuel burning may not be a direct cause of ground water pollution but they are indirectly responsible for ground water pollution.
Answer:
A. Chemical Fertilizers
Explanation:
Hope it helps.
The term validity refers to how _____.
A. important a discovery is scientifically
B. clever the design of the experiment is
C. well-chosen the independent and dependent variables are
D. likely it is that other experiments will support the same conclusion
Answer:
D is most likely to be right.
Explanation:
What is the phenotype ratio for this cross ?
The phenotype ratio for a cross between a white-eyed male and a female heterozygous for red eye color is 1:1:1:1, consisting of equal parts red-eyed females, white-eyed females, red-eyed males, and white-eyed males.
Explanation:The phenotype ratio for a cross between a white-eyed male and a female that is heterozygous for red eye color in fruit flies can be determined using Mendelian genetics. The white-eye mutation is often found on the X chromosome and is recessive. Assuming the female has one red (dominant) and one white (recessive) allele (XWXw), and the male has only the white allele (XwY), their offspring's phenotypes depend on the alleles they inherit.
Half of the male offspring will receive the Xw allele from their mother and a Y chromosome from their father, resulting in white eyes (XwY). The other half will receive the XW allele and a Y from their father, resulting in red eyes (XWY). Female offspring will receive one X chromosome from each parent. Half of the females will be red-eyed (XWXw), and half will be white-eyed (XwXw). This yields a phenotype ratio of 1 red-eyed female: 1 white-eyed female: 1 red-eyed male: 1 white-eyed male, or simply 1:1:1:1.
Considering an Aa x Aa cross for a different scenario, the phenotype ratio is typically 3:1 for the dominant versus recessive trait. A dihybrid cross like AABb x Aabb yields a 9:3:3:1 phenotype ratio when both traits are considered, but if we consider only one trait at a time, we observe a 3:1 monohybrid cross ratio. When you cross AAbb with aabb, all offspring will display the recessive phenotype, resulting in a 1:0 ratio. For pea plants, a cross between a YY and yy individual yields all yellow offspring (1:0), while a Yy x Yy cross gives a 3:1 yellow to green ratio. When crossing guinea pigs, an SS x ss yields all smooth coat offspring (1:0) and a Ss x ss cross results in a 1:1 ratio of smooth to rough coats.
Please identify
Label A
Label B
Label C
Label D
Answer:
Label A: Nucleus
Nucleus can be described as the organelle in which the DNA is enclosed. The nucleus is found in every eukaryotic cell.
Label B: Vacuole
Vacuole can be described as an organelle which is used to store material such as waste. Hence, vacuole is known to be the storage house of a cell.
Label C: Ribosomes
Ribosomes can be described as structures which are present usually on the rough endoplasmic reticulum. The process of translation occurs in the ribosomes and they are hence known to be the protein manufacturing units if a cell.
Label D: Centrioles
A centriole is a cylindrical organelle which is usually made up of the protein tubulin.
A: Nucleus
B: Lysosome
C:Ribsomes
D: Centrioles
PLEASE HELP ASAP!!!
Two students, Adrian and Samantha, are determining the density of two different objects. Adrian is determine the density of a pencil. He measures the mass of the pencil on a scale. He determines the volume of the pencil by measuring its water displacement in a measuring container. Lastly, he calculates the density. Samantha is working to find the density of a metal cube. She measures the mass of the cube on a scale. To find the volume, Samantha measures the length, width, and height of the cube and then multiplies them together. Lastly, she calculates the density using these measurements. Describe two differences between the two experiments that Adrian and Samantha conducted. A) They both used a scale to weigh the objects and they both were using different objects. B) The experiments used two different objects and found the densities of both of those objects. C) They both were measuring the density of two objects and they both used a scale to weigh the objects. D) They found the volumes by two different methods and determined the densities of two different objects.
Answer:
D
Explanation:
D is the Correct answer, becaus eit is asking what the difference between the to ways they found the density.
Answer:
d
Explanation:
A team of scientists is working to to determine if a meteor created a landform which branches of earth science
Final answer:
The inquiry falls under the subject of Geography within the field of Geology, as scientists aim to determine if a meteor created a landform. Geological investigation is complemented by geographical techniques for explaining and predicting landscape changes.
Explanation:
The question pertains to a team of scientists working to determine if a meteor created a landform, which relates to the field of Geology. Geology is integral to understanding Earth's landforms, including those created by meteors. For instance, scientists employ geology to study the plate tectonics that form Earth's crust and contribute to the creation of various geological structures. Moreover, the history of meteorites, beginning in the late eighteenth century, shows that geologists and astronomers have long been intrigued by the extraterrestrial origins of certain stones that fall to Earth.
Understanding the effects of an asteroid impact, as well as analyzing patterns on Earth's surface and changes in the landscape, require knowledge of spatial science and geography. This includes plotting data on a map to verify clustering phenomena. Therefore, to ascertain whether a meteor has shaped a particular landform, scientists would utilize geological and geographical methods and data analysis.
Which phrases describe an extrusive rock? Check all that apply
Answer:i hope i am not late lol, anyway,fine texture
- small crystal size
Explanation:the extrusive rocks are type of rocks that form on the surface of the earth, be in water or on land
Answer:
(A) - how rocks change from one type to another
(B) - which processes are involved in rock changes
Explanation:
These are correct. Did them on edge 2020.
I hope this helps <3
The rate of evaporation depends on four main factors - water body size, heat energy, atmospheric pressure and air movement. Air
movement moving across the top of the water can physically lift water droplets from the surface, increasing evaporation. Based on
this information, you would expect what weather event to cause an ir crease in evaporation over tropical seas?
A)hurricane
B)monsoon
C)tornado
D)tsunami
Based on this information, you would expect what weather event to cause an ir crease in evaporation over tropical seas hurricane.
What causes hurricane?Causes of Hurricanes. Warm water, wet heat air, and mild upper-stage winds are the important thing components to the formation of hurricanes. Hurricanes start while hundreds of heat, wet air from oceans surfaces begins offevolved to upward thrust quickly, and collide with hundreds of cooler air.
As this climate device movements westward throughout the tropics, heat ocean air rises into the storm, forming a place of low stress underneath. This reasons extra air to hurry in. The air then rises and cools, forming clouds and thunderstorms.
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Identify the element that humans need to breathe.
Answer:
top right
Explanation:
i took it
1. Where are your genes found?
your alleles
your cytoplasm
your ribosomes
your chromosomes
2. What is the shape of DNA called?
nucleotide
double helix
chromosome
ribonucleic acid
3. What is the relationship between a chromosome and DNA?
Chromosomes are made of DNA.
DNA is made of chromosomes.
DNA manufactures chromosomes.
Chromosomes manufacture DNA.
4. What do parents pass on to their offspring?
genes
double helix
nucleotides
ribosomes
5. What is one job of RNA?
unraveling DNA
manufacturing nucleotides
carrying genetic information
giving shape to chromosomes
Answer:
1. your chromosomes
2. double helix
3. chromosomes are made up of DNA
4. genes
5. carrying genetic information
(just took the test and got 100)
Explanation:
QUICK 50 POINTS
!!!!
Which of these is an example of the moral obligations of all Roman citizens during the Republic?
A.
to treat slaves with respect and humanity
B.
to serve as a judge when asked to hear a legal case
C.
to serve in the military in the colonies
D.
to vote in all elections for magistrates
Answer:
B.
to serve as a judge when asked to hear a legal case
hope this helps
Answer:
B
Explanation:
what units are used in a energy pyramid
The units used in a pyramid of energy are kilojoules (kJ) or, more appropriately, a unit of energy per unit area per unit of time, kilojoules per square metre per year (kJ m-2 year
Explanation:
Answer:
Kilocalories
Explanation:
Just did it on ape!x
What does natural resource management aim at?
Natural resource management aims at _________ management of resources.
Answer:
The correct answer is : Sustainable
Explanation:
Natural resources available on earth are the only source of energy to all living beings.They are of two types, Renewable and Non-renewable.Renewable resources are those that are present in ample amount and can regenerate themselves very quickly and hence do not get exhausted. Eg: Sun, Wind, etc.Non-Renewable resources are those that require a lot of time for their formation and if utilised at a rate which is much higher than its formation rate, can result in its exhaustion. Eg: Fossil fuels, Fresh water from glaciers.Natural Resources need to be utilised economically or in a sustained manner by the present generation to give the nature ample time to regenerate them and to ensure that some resources are retained for the future generations.Answer:
Integrated
Explanation:
Compare the function of chloroplasts and mitochondria in a cell. In your response, include:
a) The name of the process that occurs in each organelle
b)The products of each process
c)The importance of each process to the cell
Final answer:
Chloroplasts carry out photosynthesis to produce glucose and oxygen, while mitochondria perform cellular respiration to produce ATP. Both organelles are double-membraned and contain their own DNA and ribosomes, but they have different structures like cristae in mitochondria and chlorophyll-containing thylakoids in chloroplasts.
Explanation:
The function of chloroplasts and mitochondria within a cell are crucial for energy production and metabolism. Chloroplasts carry out photosynthesis, a process where carbon dioxide (CO₂), water, and light energy are used to make glucose and oxygen. The products of photosynthesis, glucose and oxygen, are essential for the cell as glucose serves as energy for cellular activities and oxygen is vital for aerobic respiration. Mitochondria, on the other hand, perform cellular respiration where glucose is broken down with oxygen to produce carbon dioxide, water, and ATP (adenosine triphosphate), the energy currency of the cell.
The importance of these processes to the cell lies in their role in energy transformation. Photosynthesis captures light energy and converts it into chemical energy stored in glucose, while cellular respiration converts the chemical energy in glucose into ATP, which can be readily used by the cell for various functions. These organelles have structural similarities, with both encased by a double membrane and having their own DNA, but they also have differences such as the presence of cristae in the mitochondria and thylakoids with chlorophyll pigments in chloroplasts.
Structural and Functional Similarities and Differences
Both chloroplasts and mitochondria are double-membraned organelles that produce ATP.Mitochondria have a matrix and inner folds called cristae; chloroplasts contain thylakoids with chlorophyll.Both have their own DNA and ribosomes.Chloroplasts carry out photosynthesis, while mitochondria conduct cellular respiration.Restriction _________ are used to break DNA into pieces for analysis and comparison.
cutters
enzymes
2.
Gel, an electric source, and a micropipet to load the sample into the gel, are needed to make a DNA ______________.
splice
fingerprint
3.
Scientists use _________ for a crime investigation in order to get sample DNA to replicate millions of times to create enough DNA to evaluate.
PCR
1. Enzymes
2. Fingerprint
3. PCR
Explanation:
1. Restriction enzymes are those enzymes that cuts or cleave the DNA sequence at specific sites called recognition sites. The DNA pieces thus obtained is amplified and used for analysis and comparison. Restriction endonucleases cuts the phosphodiester bond of the DNA strand in the interior and Restriction exonucleases cuts at the ends.
2. DNA Fingerprint is the technique in which the DNA samples are run in the gel which separates the DNA strands based on its size which is then compared to the reference DNA sample. Therefore, DNA fingerprint is used in crime scene investigation. During the process of gel electrophoresis, the sample DNA is loaded into the gel with the help of a micropipette and then allowed to run in the presence of electric current. The DNA strands gets separated based on its size and charge.
3. Polymerase chain reaction (PCR) is the process of amplification of DNA. In crime scene investigation, the DNA sample of the suspect is amplified millions of times to evaluate and compare with the criminal's DNA sample using PCR. In the process of PCR, DNA template, DNA Polymerase enzyme (Taq polymerase), primers are required. Temperature plays an important role in the process of PCR.
Answer:
enzymes
Explanation:
what is the relationship between chromatin and chromosomes
Answer:
Both chromatin and chromosome structures are nucleoprotein complexes in which chromatin is uncondensed part whereas chromosome is condensed part.
Explanation:
Chromatin, made up of DNA and protein, compactly forms into chromosomes visible during cell division. The structure of chromosomes is a direct result of how chromatin is arranged and packed.
Explanation:The relationship between chromatin and chromosomes is essentially related to their structure and function inside a cell. Chromatin is a substance within a chromosome consisting of DNA and protein. It is the material that makes up the chromosomes when a cell is at rest. Chromosomes, on the other hand, are highly condensed structures formed by chromatin that are visible during cell division. Therefore, the structure of chromosomes is directly derived from the arrangement and packing of chromatin.
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A scientist wants to study how 10 million liters of leaked crude oil would
affect the Gulf of Mexico. Which of these is the most ethical reason for using
a simulation rather than an experiment with crude oil in the Gulf of Mexico?
O
A. A simulation could be repeated more times than an experiment.
O
B. The ecosystems affected would have to be observed for a long
time.
O
C. It would cost too much to buy that much crude oil for an
experiment.
0
D. The effects of pollution can be studied without harming an
ecosystem.
Answer:
D.
Explanation:
In terms of being ethical or unethical, it would be unethical to purposely dump 10 million liters of crude oil into the Gulf of Mexico because of the damage it would do to the organisms living there including plants, animals, and people.
What effect does atmospheric co2 have on ocean acidification?
Answer: Ocean acidification is occurring because excess carbon dioxide (CO2) in the atmosphere is being absorbed at the surface of the ocean at an increasing rate. This excess CO2 results in more hydrogen ions, which increases the acidity of the ocean.
Explanation:
Ocean acidification is occurring because excess carbon dioxide (CO2) in the atmosphere is being absorbed at the surface of the ocean at an increasing rate.
What is ocean acidification?About 30% of the carbon dioxide (CO2) released into the atmosphere is absorbed by the ocean.
The quantity of carbon dioxide absorbed by the ocean also rises as atmospheric Carbon dioxide levels rise as a result of human activities such as burning fossil fuels (e.g., automobile emissions) and altering land use (e.g., deforestation).
The concentration of hydrogen ions increases as a result of a series of chemical reactions that take place when Carbon dioxide is absorbed by saltwater. The effects of this process on the ocean and the marine life that inhabits it are extensive.
Therefore, Ocean acidification is occurring because excess carbon dioxide (CO2) in the atmosphere is being absorbed at the surface of the ocean at an increasing rate.
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Guinea Pigs can either have black fur (B) or white fur (b) and rough textured coats (R) or smooth textured coats (r).
If a guinea pig who is homozygous for both black fur and smooth texture is crossed with a white guinea pig who is heterozygous for rough texture, what are the expected phenotypic ratios for their offspring?
Group of answer choices: 0/16, 1/16, 8/16, 9/16, 3/16
black rough fur ...
black smooth fur ...
white rough fur ...
white smooth fur ...
Answer:
The answers are explained below:
Black rough fur - [tex]\frac{1}{2}=\frac{8}{16}[/tex].Black smooth fur - [tex]\frac{1}{2}=\frac{8}{16}[/tex].White rough fur - [tex]\frac{0}{16}[/tex].white smooth fur -[tex]\frac{0}{16}[/tex]Explanation:
The genotype of homozygous black fur and smooth texture: BBrr.The gametes produced are : BrThe genotype of white and heterozygous for rough texture: bbRrThe gametes produced are : bR and br.The cross,bR br
Br BbRr Bbrr
(B/R) (B/S)
In the brackets (), B - Black.R - Rough.S -Smooth.The cross can develop two types of offspring, that is, Black and Rough (BbRr) - 1.Black and smooth (Bbrr)- 1.The answers:Black rough fur - [tex]\frac{1}{2}=\frac{8}{16}[/tex].Black smooth fur - [tex]\frac{1}{2}=\frac{8}{16}[/tex].White rough fur - [tex]\frac{0}{16}[/tex].white smooth fur -[tex]\frac{0}{16}[/tex]As a child, Alex was short for his age. But during his teenage years, his height increased and he surpassed most of his friends. What must have occurred to create this growth spurt?
During his teenage years, Alex likely experienced an adolescent growth spurt, caused by hormonal changes during puberty, leading to a rapid increase in height and muscle development.
Alex's height increase during his teenage years is most likely due to the adolescent growth spurt, which is a period of rapid growth that happens during puberty. In boys, growth in height typically starts to increase early in puberty, spurred by the release of hormones such as testosterone, growth hormones, thyroid hormones, and androgens.
The peak rate of height growth can reach about 10 centimeters per year. This rapid growth period generally lasts for several years, and it's also during this time that muscle development occurs, which can continue even after height growth has ceased.
Suppose the two possible alleles for the height gene are tall and short. If short is recessive to tall, provide the symbol representation and the phenotype for each of the genotype for this trait.
Phenotype - short , Tall
Genotype - tt (short) , TT or Tt (tall)
Explanation:
In Mendelian Genetics, Dominant traits are represented by capital letters and Recessive traits are represented by small letters.
So if height is the character considered, then the traits would be short and tall.
Tall is the dominant phenotype and short is the recessive phenotype.
The alleles of the gene for height are T and t.
The genotype for Tall trait is TT or Tt.
The genotype for short trait is tt.
Therefore, the symbol representation of phenotype (Tall) is TT or Tt and for phenotype (short) is tt.
What equipment should they use to MOST efficiently test the pH of the water and record this data? A) litmus paper and a notebook B) pH probe hooked up to a computer C) pH paper and an excel spreadsheet D) pH probe and a graphing calculator
B) pH probe hooked up to a computer
Answer:
C. pH paper and an excel spreadsheet.
Explanation:
The reason for this is that the pH paper will change colors when it is put in water, and the spreadsheet is great for taking data notes.
All of the following actions can be taken to positively impact the ocean and earth except:
Answer:
A. Burning fossil fuels
C. establishing state parks
E. using renewable energy sources
Explanation:
The action that does not have a positive impact is burning fossil fuels, establishing state parks, and using renewable energy sources.
Impact of actions other than ocean & earth:The ocean refers to the continuous body of salt water that covers more than 70 percent of the Earth's surface. The burning of fossil fuels should not be done. The state parks should not be established. Also, the energy sources i.e. renewable should not be used. Due to the above information, it does not have a positive impact.
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3. Describe what will happen (if anything) to mass and weight when you go to the moon.
An individual's mass remains the same when they go to the moon, but their weight decreases due to the moon's lower gravitational pull.
Explanation:Going to the moon would influence your mass and weight differently. Despite the difference in location, your mass would remain the same due to being an intrinsic property not influenced by gravity. However, weight, on the other hand, would decrease considerably when one is on the moon. Weight refers to the force of gravity exerted on an object. Because the moon's gravitational pull is only one-sixth of Earth's gravity, your weight on the moon would be one-sixth of your Earth-bound weight. For instance, a 60kg individual would still be 60kg mass-wise on the moon, but their weight would drop from approximately 588 N on Earth to approximately 100 N on the moon.
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Which describes farsightedness? A. The eyeball is too short for light to focus properly. B. Nearby objects are clearer than distant ones. C. The image is focused in front of the retina. D. Faraway objects are blurry and out of focus.
Answer:
Which describes farsightedness?
The eyeball is too short for light to focus properly.
Explanation:
This farsightedness best describes longsightedness which has to do with short eyeball for light to be able to focus properly.
A homozygous type B woman marries a heterozygous type A man. Show punnett square genotypes and phenotype
Phenotype is Type A: Type B
Genotype is 1:1
Explanation:
It is given that type B woman is homozygous.
Thus the genotype of the woman can be BB or bb
The man is of type A and heterozygous.
Thus the genotype of the man is Bb
We see that when the genotype is heterozygous Bb then the gene expresses type A condition
So, when the alleles are in homozygous dominant condition then the gene BB will also express in type A condition.
But we know that the women is type B. So, the genotype of the women is bb.
Cross between bb X Bb is shown in the punnett square attached
Thus,
Phenotype is Type A: Type B
Genotype is 1:1
Which process results in recombination of genetic material?
The process of recombination, or crossover, happens during meiosis. It results in the exchange of genetic material between homologous chromosomes, leading to unique combinations of maternal and paternal genes. This process contributes significantly to genetic diversity.
Explanation:The process that results in recombination of genetic material is known as crossover, or recombination. It takes place during meiosis when two homologous chromosomes align and exchange parts of their genetic material.
This process results in the creation of recombinant chromosomes which contain a mix of maternal and paternal genes that did not exist before the crossover. Multiple crossovers can occur, each generating a unique combination of genes. This recombination adds to genetic diversity among gametes and is a vital component of evolution.
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