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Question 1) Which gas is the most abundant in Earth’s atmosphere?

A) methane

B) carbon dioxide

C) oxygen

D) nitrogen
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Question 2) Particles of air escape into space from which layer of the
atmosphere?

A) troposphere

B) mesosphere

C) thermosphere

D) stratosphere
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Question 3) Which atmospheric layer is most dense?

A) stratosphere

B) mesosphere

C) troposphere

D) thermosphere
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Question 4) Where do meteorites burn up?

A) stratosphere

B) thermosphere

C) mesosphere

D) troposphere
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Question 5) Which layer of the atmosphere is the least dense?

A) troposphere

B) exosphere

C) stratosphere

D) mesosphere

By far, the most abundant gas in the Earth's atmosphere is nitrogen, which accounts for about 78% of the mass of dry air. Oxygen is the next most abundant gas, present at levels of 20 to 21%

Answer Link

AndrewEspi AndrewEspi · Answer 2 · 2020-04-29T00:10:05+02:00

Question 1.

Out of the options I would say Nitrogen is the most abudnats in Earth's atmosphere.

Question 2.

The best answer is the thermosphere, molecules with enough energy can escape through this atmosphere.

Question 3.

The troposphere is the most dense, it's 5 to 9 miles long. Basically every type of weather is in this region.

Question 4.

The mesosphere is where meteorites burn before reaching the surface of Earth.

Question 5.

The exosphere is extremly low, the farther you are away from Earth the lower the density.