Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Carbon dioxide is one of the primary greenhouse gases that cause global warming.

A. Heat-related illnesses result from the increase in earth's temperature.

B. Heat-related illnesses result in the increase in earth's temperature.

C. Heat-related illnesses lead to the increase in earth's temperature.

D. Heat-related illnesses trigger the increase in earth's temperature.

A. Numerous catastrophic consequences result in climate change.

B. Numerous catastrophic consequences result from climate change.

C. Climate change results from numerous catastrophic consequences.

D. Numerous catastrophic consequences cause climate change.

A. Global warming can't be controlled by planting trees.

B. Planting trees is the only way to control global warming.

C. Planting trees can accelerate global warming.

D. Planting trees can help reduce global warming.

A. We decided to reduce carbon footprints before seeing people suffer global warming consequences.

B. We saw people suffer global warming consequences after we decided to reduce carbon footprints.

C. We decided to cut down on carbon footprints after we saw people suffer global warming consequences.

D. We decided to cut down on carbon footprints before we saw people suffer global warming consequences.

A. Shrinking

B. Declining

C. Decreasing

D. Increasing

 A. pollution

B. continue

C. enormous

D. disappear