Which correctly lists three greenhouse gases?

Which correctly lists three greenhouse gases?

Which correctly lists three greenhouse gases?

A. oxygen, carbon dioxide, helium
B. carbon dioxide, nitrous oxide, methane
C. helium, methane, oxygen
D. methane, oxygen, carbon dioxide

Answer: B. carbon dioxide, nitrous oxide, methane

The correct answer is B: carbon dioxide, nitrous oxide, methane. These gases are referred to as greenhouse gases. They help the Earth's greenhouse effect when they trap heat within the atmosphere. Deforestation and fossil fuel burning cause carbon dioxide (CO?). Agriculture, landfills, and natural gas cause methane (CH?). Agriculture and industries produce nitrous oxide (N?O). Other gases like oxygen and helium are not greenhouse gases because they have no heat-trapping property. 

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