Which of the following statements is most likely accurate relating to greenhouse

Question

Which of the following statements is most likely accurate relating to greenhouse gases?

a. The increase in average temperature of the Earth's atmosphere parallels the increase in carbon dioxide concentration.

b. The only significant source of carbon dioxide gas that contributes to global warming is fossil fuel combustion.

c. The average temperature of the Earth does not significantly depend on the presence of greenhouse gases.

d. Since the mid 1800's, the average temperature of the Earth's atmosphere has risen by about 38°F.

Explanation / Answer

a. The increase in average temperature of the Earth's atmosphere parallels the increase in carbon dioxide concentration. TRUE

b. there are other sources of CO2

c. the average T of earth does depend on greenhouse gases

d. 38F is too much for 200 year gap

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