Which of the following is not the result caused by greenhouse effect mentioned in the lectures?（ ） A: The permafrost will be released. B: Hastening sea level rise. C: Worsening land desertification D: Accelerating global warming.
Which of the following is not the result caused by greenhouse effect mentioned in the lectures?（ ） A: The permafrost will be released. B: Hastening sea level rise. C: Worsening land desertification D: Accelerating global warming.
The Viking I exploration accomplished all of the following EXCEPT A: monitoring weather conditions B: performing scientific experiments C: collecting information showing volcanic action D: discovering large quantities of polar ice and permafrost
The Viking I exploration accomplished all of the following EXCEPT A: monitoring weather conditions B: performing scientific experiments C: collecting information showing volcanic action D: discovering large quantities of polar ice and permafrost
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