Global warming refers to the average temperature of the atmosphere, oceans, and

游客2023-09-17  27

问题 Global warming refers to the average temperature of the atmosphere, oceans, and landmasses of Earth. [br] Without greenhouse effect, Earth would be colder by about ______.

选项

答案 33 Celsius degrees

解析 参见第2个小标题THE GREENHOUSE EFFECT下第2段倒数第2句:All life on Earth relies on this greenhouse effect—without it, the planet would be colder by about 33 Celsius degrees。
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