From a sample with nequals36​, the mean duration of a​ geyser's eruptions is 3.16 minutes and the standard deviation is 0.82 minutes. Using​ Chebyshev's Theorem, determine at least how many of the eruptions lasted between 0.7 and 5.62 minutes.

Answer:

Continental crust is about 20 to 70 km thick and thus 70% of this submerged and oceanic crust being about 10 km thick is only 30 % submerged.

Explanation:

Answer:

C. They were first used on a map about 300 years ago

Explanation:

This is the only incorrect option, isoline's usage are less than 200 years old

Answer:

X-rays don't reach the surface of Earth

Explanation:

Final answer:

X-ray telescopes are in orbit around Earth because our atmosphere absorbs X-rays before they can reach the ground. They provide clear, uninterrupted views of the cosmos in X-ray light, invaluable for studying high-energy astronomical phenomena.

Explanation:

X-ray telescopes are located in orbit around the Earth primarily because X-rays don't reach the surface of Earth. Earth's atmosphere is opaque to high-energy radiation like X-rays, meaning it absorbs these rays before they can reach ground-based telescopes. Thus, to capture images and conduct observations of the cosmos in the X-ray part of the electromagnetic spectrum, telescopes must be placed in space, beyond the distorting effects of our atmosphere. This allows astronomers to make direct observations of objects emitting X-ray radiation without interference.

Space-based X-ray telescopes, such as the Chandra X-ray Observatory, offer significant technical advantages over ground-based observatories. Notably, they avoid the atmospheric absorption and distortion that limits the quality of observations from Earth. Moreover, space telescopes can operate continuously without the interruptions caused by the Earth's day-night cycle and changing weather conditions.

However, it is important to note that launching and maintaining orbits for X-ray telescopes is an expensive endeavor, and not because they are cheap or easy to launch. Repairs also present a major challenge in space. Despite these challenges, the unique data obtained from X-ray telescopes makes them invaluable tools for astrophysics research, helping us to understand phenomena such as black holes, neutron stars, and supernovae.

Answer:

Option (D)

Explanation:

Organic detritus usually refers to those materials that are the remains of dead organisms such as plants and animals.

The flowing water ecosystem such as the head-water streams obtains most of the materials from the nearby terrestrial and aquatic places due to the surface runoff. It is highly rich in the amount of organic detritus, as the materials such as leaves, branches, roots, soil particles, and other organic waste products are transported from the land areas, thereby obtains its energy from them.

Thus, the correct answer is option (D).

Answer:

A. The area from southern France to Mongolia changed to frozen tundra in winter and semiarid steppe in summer.

Explanation:

The correct option is D. Pyrenees mountains between modern France and Spain.

The Pyrenees mountains are a result of tectonic activity and have been in existence long before the last Ice Age. The last Ice Age, which occurred during the Pleistocene Epoch, had various effects on the Earth's geography and climate, but the formation of the Pyrenees was not one of them. Here's a brief explanation of the other options and why they are associated with the last Ice Age:

A. The area from southern France to Mongolia did indeed experience significant climatic changes during the last Ice Age. The climate shifted between frozen tundra in winter and semiarid steppe in summer due to the expansion of ice sheets and changes in global weather patterns.

B. The increase in the size of African rain forests during the Ice Age is consistent with the climatic changes that occurred. Cooler temperatures and increased precipitation in some regions would have supported the expansion of forested areas, potentially providing more vegetation for herbivores.

C. The deserts of the Sahara, Kalahari, and the interior of Australia expanded due to the drier and cooler global climate. The Ice Age led to a reduction in overall global temperatures and changes in precipitation patterns, which caused many regions to become more arid.

D. In contrast, the Pyrenees mountains were formed by the collision of the Iberian and Eurasian tectonic plates, a process that began approximately 100 million years ago during the Mesozoic Era. The last Ice Age, which occurred much later, did not cause the formation of these mountains. Instead, glaciers during the Ice Age would have shaped the existing landscape of the Pyrenees, creating features such as U-shaped valleys and cirques, but not forming the mountains themselves.

Therefore, the formation of the Pyrenees mountains is the exception among the given options, as it was not a result of the last Ice Age.

Answer:

Bolivia

Explanation:

Bolivia is a central South American country and its administrative capital is La Paz. La Paz is located on the Andes Altiplano plateau. Bolivia was named after the fighter Simon Bolivar. It broke away from the Spanish rule in 1825.

Spanish is the official language of Bolivia but there are 36 indigenous  languages spoken and used by peoples in different regions of Bolivia. Quechua, Guarani and Aymara are the most spoken indigenous languages.

Bolivia is the country with four official languages: Spanish, Quechua, Aymara, and Guarani, reflecting its deep cultural and linguistic diversity.

The question involves identifying a country with four official languages: Spanish, Quechua, Aymara, and Guarani. The correct answer is Bolivia, a country within the core of the Rural Amerindian Region of South America, alongside Ecuador and Peru. Bolivia is known for its linguistic diversity, with Spanish serving as the colonial language, yet indigenous languages such as Quechua, Aymara, and Guarani are widely spoken, especially in rural and remote areas. Indigenous languages across Latin America, including those in Bolivia, face challenges in terms of their preservation and inter-generational transmission despite their critical role in maintaining cultural identities.

Answer:

True

Explanation:

I googled it

Answer:True

Explanation:

Weather satellite is primarily used to monitor the weather and climate of the earth. Satellite can be polar orbiting, covering the entire earth geostationary over the same spot of the equator.

Final answer:

To solve physics problems involving distance, speed, and time, ensure that the equation used yields an answer with the correct units through dimensional analysis. Following the appropriate steps, substitute the known values with units into the equation to solve for the unknown, and check that the units in the final answer make sense.

Explanation:

In physics problems, the units of your answer are as important as the numerical values. When determining which equation to use for solving a problem involving distance, time, and speed, you must ensure the equation yields an answer with the correct units. This is known as dimensional analysis. For example, speed is typically measured in units such as meters per second (m/s), which is a rate of distance covered over a period of time.

The basic formula for speed is:

If you are calculating distance, you would rearrange the formula to:

Similarly, if you need to calculate time, the formula would be:

To solve a problem, follow these steps:

For instance, if a person is running at a speed of 10 m/s and you want to know how long it will take them to cover 25 meters, you would set up the equation:

The answer includes units (seconds) and is reasonable given the context of the problem.

Answer:

hi!

Explanation:

A comparison between two very similar earthquakes supports this claim. Both occurred in densely populated regions, but had very different results. In 1988, the Spitak magnitude 6.9 earthquake in Armenia claimed more than 25,000 lives. On the contrary, the magnitude 7.1 earthquake Loma Prieta in California in 1989 caused only 63 deaths. "The difference in the number of deaths illustrates the enormous effect that high construction standards can have to save people's lives."

Answer: d) connects points of equal temperature.

Explanation: An isotherm is a line drawn on a map or chart of the earth's surface to indicate and connect points having the same temperature at a given time. Isotherm are used in meteorology to highlight the distribution earth surface temperature.

Answer:

The correct answer is B - high mountains may be built during continent-continent collision.

Explanation:

A convergent plate boundary is where two or more tectonic plates collide. When this happens, subduction (one of the plates will slide under the other) occurs.

During continent-continent collision, a high mountain range is usually formed.

Answer:

a

Explanation:

Of all the option A is most correct because

America is where so much creativity and invention came into being. Moreover, american people have achieved dominance before the majority of the world did in the  subjects of Astronomy and Mathematics. There were two groups of people from prehistoric America: the Mayans and the Aztecs. they use to stay in modern mexico. Through astronomy and mathematics they made impressive strides.

D. Formal regions have the most clearly defined boundaries. They are areas recognized by the government and other organizations and have clear-cut boundaries. Other types of regions such as peripheral, vernacular, and functional regions don't have as clear-cut boundaries.

The region with the most clearly defined boundaries are formal regions. A formal region, such as a country, state, or city, is an area that is defined by official boundaries and is recognized by government and other organizations. These regions have clear-cut boundaries established by the government, for example, a state's borders in the United States, or the geographical borders of a country.

On the other hand, Peripheral and vernacular regions are more subjective and their boundaries can change depending on personal perspectives and interpretations. A functional region, such as a school district or a business service area, is defined by a particular set of activities or interactions that occur within it. But their boundaries are not as clear-cut as a formal region's boundaries because they can change based on the activity or interaction that is being focused on.

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Answer: True

Explanation:

The ratio of the map distance to ground distance usually involves the use of inverse relationship between the extent of coverage of the entire map and the amount of detail visible. And this relationship is always written as 1/x or 1:x.

Where the numerator represents the map distance which always equals 1 and the denominator represents the ground distance which has similar units as the numerator.

Answer:True

Explanation:

For instance, 2cmrep 1km

1km on the map is inversely related to 2cm on the ground surface. This can be express as as statement scale in geography. Other types of scales are linear scale and representative fraction

Answer:

option d is correct I think

The Continental Divide of the Americas is the principal, and largely mountainous, hydrological divide of the Americas. This divide runs from Cape Prince of Wales in western Alaska, through the Rocky Mountains of western Canada and the continental United States, then through the Sierra Madre Occidental mountains in Mexico, through Central America and along the Andes Mountains of South America. Continental divides separate one drainage basin from another. They are used to define the direction that an area's rivers flow and drain into the oceans and seas. The best-known continental divide is in North America and it runs along the Rocky and Andes mountain ranges

Answer:

8.011 m

Explanation:

Data provided in the question:

Volume of the ice sheet = 3 million cubic kilometers

Volume of the water released by the ice on melting = 2.7 million cubic kilometers

Approximate area of the Earth's ocean surface = 337 million square kilometers

Now,

Volume = Area of the surface × Height

thus,

2.7 million cubic kilometers = 337 million square kilometers × Height

or

Height = 2.7 ÷ 337 kilometer

= 0.008011 kilometer

also,

1 kilometer = 1000 meter

Therefore,

Rise in the sea level = 0.008011 × 1000

= 8.011 m

The Jabo Corporation operates in Peru, Brazil, and Chile, making it a multinational corporation that adheres to differing laws and regulations in various countries is True.

The Jabo Corporation scenario outlines an example of a multinational corporation which operates in multiple countries. It is based in Peru with manufacturing facilities located there, however, it also has a footprint in Brazil and Chile via online sales and a smaller facility in Santiago, Chile, respectively. This is a common structure for corporations which seek to expand their operations, reach broader markets, and potentially take advantage of financial or logistical benefits within those other locales. It must also be noted that such multinational corporations usually face various laws and regulations in different countries which can affect their operations.

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Answer:

B. Magnetic declination

Explanation:

Magnetic declination is the tendency of the compass not to point directly to the true North which appears on the map.

The gas cloud is moving away from us based on the redshift of the light. Using the Doppler shift formula, we can calculate the speed of the gas cloud.

Solution

Because the light is shifted to a longer wavelength (redshifted), we know this gas cloud is moving away from us. The speed can be calculated using the Doppler shift formula:

speed = (observed wavelength - rest wavelength) / rest wavelength * speed of light

Answer:

False

Explanation:

The Coriolis force is caused because the Earth rotates at a different linear velocity in the Equator compared to that in the North and South poles. This force makes objects that are not fixed to the ground move in different directions. For example, the hurricanes in the Northern Hemisphere spin counterclockwise and when travelling some distance they move to the right. While in the Southern Hemisphere they spin clockwise and move to the left. The effect of the Corioli force is extremely important on Earth because it determines the water and air currents, for example. Therefore, it is not an insignificant force.

Thought, it is an apparent force because it is not a force directly applied to the air and water, but a force produced by the side effect of the rotation of the Earth.

Answer:

False

Explanation:

Hello!

We can observe the "Coriolis Force" in a system that experiences a rotational movement, when a body is in motion with respect to said system, which is taken as a reference parameter. The "effect" consists on a relative acceleration experienced by the body in the rotating system.

The Coriolis Force is named "apparent force" or "effect", because it is not a real force, since there is nothing to produce it. Coriolis Force is produced in the studied body because the observation system is rotating.

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Answer:

Their composition

Explanation:

Colluvium deposits will contain cobble sized deposits ranging from sand to rocks of different types while the alluvium deposits are uniform deposits of cobble sized sand

Answer:

Th similarities between the black hole and the neutron star is that they are formed from dead (dying) starts. But they come from different parent stars, if the parent star is 1.4 times the mass of the sun, a neutron star will be formed, but if the parent star is twice the mass of the sun a black hole is formed.

Explanation:

A black hole is defined as an area of space whereby the matter is so compacted that nothing can escape from it. This area is called event horizon. Black holes are formed when an enormous star dies in z supernova. They weigh at least twice the sun's mass, and their mass is directly proportional to their radii.

Neutron stars are created during supernova and maintained by a neutron called degeneracy pressure. Neutron star has a small radius, typically 30 km, with a very high density made up of compacted neutrons.

Answer:

Explanation:

The biostimulation can be define as the process of modifying the environment by the stimulating the growth of bacteria which are capable of conducting the bioremediation. The bioremediation is the process through which the microorganisms are used to break down and decomposed the environmental pollutants from the polluted site.

This can be achieved through addition of the nutrients and electrons acceptors like nitrogen, oxygen, phosphorus and carbon in the from of molasses. These factors are likely to enhance the growth of the bacteria to an extent that can damage the organisms of the ecosystem or the growth factors can be also suitable for the growth of other microorganisms which may infect the other living beings of the ecosystem.

Final answer:

Biostimulation used in bioremediation may lead to disruptions in microbial ecosystems, affecting biogeochemical cycles and plant health, as well as possible biomagnification of biological agents, resulting in health issues for wildlife and humans.

Explanation:

When biostimulation is employed on a widespread scale for a bioremediation project, there are potential ecosystem changes that could occur as side effects. One potential side effect is the disruption of the natural microbial taxonomic distribution and functional profiles which could lead to changes in biogeochemical cycling and overall plant health. Another concern is the possibility of biomagnification, where the biological agents used for cleanup might accumulate in the food chain, potentially leading to issues such as endocrine disruption, birth defects, and other health impacts on both wildlife and humans.

An example of bioremediation is depicted by option E: Using plants to remove toxic metals from soils following a mining operation, which is a type of phytoremediation. This process can sometimes alter soil structure and nutrient cycling, potentially affecting other ecosystem services and biodiversity. These changes could have short-term effects, such as altered hydrology and productivity, or long-term impacts, which might include shifts in the types and numbers of species found in an ecosystem.

Answer:

As described below.

Explanation:

Final answer:

The Earth's layers formed by accretion in stages with gravity separating materials by density, creating the core, mantle, and crust. This process is known as differentiation.

Explanation:

The statement that the Earth formed its compositional layers (core, mantle, crust, atmosphere) by accretion in stages, with iron-rich materials first, followed by rocky materials, and then ices, is true. During the formation and early history of Earth, gravity played a crucial role in separating materials based on their densities. The denser materials, such as iron and nickel, sank to form the Earth's core, while lighter materials rose to the surface to eventually form the crust. This process, referred to as differentiation, led to the creation of distinct layers including the core, mantle, and crust. Earth's atmosphere formed later, consisting of gases that were either released from volcanic eruptions or delivered by cometary impacts. The Earth's structure today is the result of these processes, where the crust is primarily made of lighter elements like silicon, oxygen, and aluminum, the mantle consists of heavier rocks, and the core is composed mostly of iron and nickel.

Answer:

False

Explanation:

They didn't loose their license because of that.

Space exploration has a rich and complex history that involves overcoming numerous challenges. The question involves a whimsical and impractical plan to construct a waterpark on the moon, contrasting with the realities of space exploration as demonstrated by historical events and figures.

The subject of this question relates to the concept of independent space travel, governmental control of such activities, and, indirectly, space exploration history. Considering Vanessa and Henrietta and their fictional plan to build a waterpark on the moon, it is important to note that the reality of space travel and exploration is far from their whimsical idea. In fact, historical figures such as Van Allen, a leading supporter of space science, have advocated for more pragmatic uses for space exploration, such as utilizing robotic spacecraft for exploration.

Space agencies, like NASA and the European Space Agency, have had to overcome myriad challenges to accomplish their missions. The last human left the moon in 1972 due to both political and economic pressures, not because there was a lack of desire to explore. If Vanessa and Henrietta had focused their energies on contributing to the scientific community instead of building a lunar waterpark, perhaps their licenses for independent space travel would not have been revoked by the government.

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Answer:

1. A

2.C

3.D

4.B

Explanation:

1. A You think an El Nino may be starting because you observe that sea surface temperatures  are increasing off the coast of Peru.

2.C The easterly trade winds are holding strong throughout the arrays, suggesting no El Nino yet.

3.D The decreasing air pressure over the eastern part of the TAO array suggest an El Nino may be coming.

4.B The extended high pressure  in the TRITON array is beginning to reduce suggesting the El Nino may be ending soon.

Answer:

chicago

Explanation:

is part of the twentieth move of the centery

Answer:

flood basalt

Explanation:

In the given problem, the region is likely a flood basalt. A flood basalt is commonly referred to as a geological feature that is formed from the eruption of a giant volcanic. It can also be formed from several volcanic eruptions that occur over a significantly large area of land as well as an ocean flood that is accompanied by a basalt lava.

The correct Answer is option (A). Based on the coordinates 43°25'04.18"N 113°31'37.38"W and the description of the area being dark-coloured and sparsely vegetated, this region is most likely Shield Volcano

1. Location: The coordinates point to an area in Idaho, USA, specifically within the Snake River Plain.

2. Dark Colour and Sparse Vegetation: These characteristics are typical of regions covered by basaltic lava flows. Basalt, being a dark volcanic rock, covers the ground extensively in shield volcano regions.

3. Geological Features: The Snake River Plain is known for its extensive volcanic activity, particularly from shield volcanoes and lava fields, rather than the steep and more rugged profiles of composite volcanoes or lava domes.

Shield volcanoes are typically broad with gentle slopes, formed by low-viscosity basaltic lava that can cover large areas. This fits the description of a large, dark-coloured, and sparsely vegetated area.

Answer:

Soil and fertilizers

Explanation:

beacuse these two factors will lead the crops to grow faster...

Answer:Temperature and Rainfall

Explanation:

Temperature : Most plant cannot grow if temperature falls below 6degree celcius or the soil is frozen for five consecutive months.

Rainfall: Water is obviously a key factor in plant growth. The greater the average temperature, the greater the amount of water required for plant growth. Seasonal crops require water at different times.

These are the aforementioned factors that leads to high crop yield in Europe.

Answer:

Option (B)

Explanation:

A hotspot is usually defined as the region that experiences extensive volcanic activities on the earth's surface. It is caused due to the rising up of magma from the deep interior of the earth, forming large columns of magma, and where the force exerted by the convection currents are high. For example, Hawaii are formed from a hotspot in the Pacific plate.

There is a hotspot located below the Pacific plate, and as the Pacific plate is moving towards the northwestern direction, it experiences extensive volcanism and gave rise to the formation of the Hawaii island. This is what the plate tectonic theory explains regarding the hotspots.

Thus, the correct answer is option (B).

The lithosphere, the Earth's solid outer crust, is divided into plates that move across the asthenosphere, the molten upper layer of the mantle, according to plate tectonics theory.

Option (B) is the one that explains the Tectonic theory of the given information.

" B. a hot spot currently sitting under Hawaii and the Pacific Plate moving across it in a northwesterly direction. "

The plate tectonic theory explains the hotspots in this manner. As a result, the chosen option is the proper response (B).

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