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The World of Atmospheres

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Questions and Answers

Which gas makes up the majority of Earth's atmosphere?

Argon

Nitrogen (correct)

Carbon Dioxide

Oxygen

Which gas is present in the smallest amount in Earth's atmosphere?

Nitrogen

Carbon Dioxide

Argon

Oxygen (correct)

What is the purpose of the layered composition of Earth's atmosphere?

To protect against solar wind

To regulate temperature

To minimize the harmful effects of sunlight (correct)

To provide oxygen for respiration

What is the outer region of a star called?

<p>Stellar envelope</p> Signup and view all the answers

What is the main gas used by organisms for respiration?

<p>Oxygen</p> Signup and view all the answers

The World of Atmospheres

Choose a study mode

Podcast

Questions and Answers

Which gas makes up the majority of Earth's atmosphere?

Which gas is present in the smallest amount in Earth's atmosphere?

What is the purpose of the layered composition of Earth's atmosphere?

What is the outer region of a star called?

What is the main gas used by organisms for respiration?

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