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Questions and Answers
The number of carbon and nitrogen atoms remains constant on Earth.
The number of carbon and nitrogen atoms remains constant on Earth.
False
Carbon dioxide levels rise when humans clear forests, but they decrease when they burn gasoline.
Carbon dioxide levels rise when humans clear forests, but they decrease when they burn gasoline.
False
Producers play a role in absorbing carbon dioxide from the atmosphere.
Producers play a role in absorbing carbon dioxide from the atmosphere.
True
Decomposers release oxygen into the air through cellular respiration.
Decomposers release oxygen into the air through cellular respiration.
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The Law of Conservation of Mass states that atoms can be created or destroyed in chemical reactions.
The Law of Conservation of Mass states that atoms can be created or destroyed in chemical reactions.
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Human activities have no impact on the levels of carbon and oxygen in the air.
Human activities have no impact on the levels of carbon and oxygen in the air.
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The oxygen cycle involves only producers and consumers.
The oxygen cycle involves only producers and consumers.
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