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LekaFEV [45]
3 years ago
15

How much of the outer crust of earth is

Biology
1 answer:
devlian [24]3 years ago
8 0
500 cm! Good luck!!
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Where are the different levels of the atmosphere located?
ArbitrLikvidat [17]

Troposphere

The troposphere starts at the Earth's surface and extends 8 to 14.5 kilometers high (5 to 9 miles). This part of the atmosphere is the most dense. Almost all weather is in this region.

Stratosphere

The stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high. The ozone layer, which absorbs and scatters the solar ultraviolet radiation, is in this layer.

Mesosphere

The mesosphere starts just above the stratosphere and extends to 85 kilometers (53 miles) high. Meteors burn up in this layer

Thermosphere

The thermosphere starts just above the mesosphere and extends to 600 kilometers (372 miles) high. Aurora and satellites occur in this layer.

Ionosphere

The ionosphere is an abundant layer of electrons and ionized atoms and molecules that stretches from about 48 kilometers (30 miles) above the surface to the edge of space at about 965 km (600 mi), overlapping into the mesosphere and thermosphere. This dynamic region grows and shrinks based on solar conditions and divides further into the sub-regions: D, E and F; based on what wavelength of solar radiation is absorbed. The ionosphere is a critical link in the chain of Sun-Earth interactions. This region is what makes radio communications possible.

Exosphere

This is the upper limit of our atmosphere. It extends from the top of the thermosphere up to 10,000 km (6,200 mi).

3 0
3 years ago
Which of the following would likely reduce the threats posed by exotic species to native species?I. Increasing inspections of go
Tamiku [17]

Answer:

A. I only

Explanation:

Exotic animal species are really found in most countries and given that people these animals, they are very valuable. Species like lions, tigers, parrots, cheaters and even pythons are loved for exotic nature.

For this reason, they are caught, killed, shipped and sold in various countries or regions like dubia, Saudi Arabia etc. Its effects on the population of these species are disastrous.

If the inspection of goods coming into a country is intense and frequent, it will mitigate the shipping and sales of the species.

3 0
3 years ago
Helium does not usually react with other substances. Does this mean that helium has no chemical properties?
Anettt [7]

Helium does not react with any other substances, thus the substance’s internal structure is never greatly affected and thus helium cannot have any chemical properties.

6 0
3 years ago
What is the name of the structure labeled X? (Make the word plural)
vagabundo [1.1K]

Answer: Centrioles

Explanation:

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What happens when the motion of particles slows?
aliya0001 [1]
The substance is colder than it was because when particles move very quickly its either how or boiling so if its slow its cold and if it freezed the particles are well frozen
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3 years ago
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