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Biology, 22.06.2019 02:30, sabrinarasull1pe6s61
Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels
Answers: 1
Biology, 22.06.2019 09:30, katiebotts18
The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?
Answers: 1
Name the organelle and say how it is important for active transport. Give examples of cells where ma...
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