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Biology, 22.06.2019 02:30
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
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Biology, 22.06.2019 13:50
2points what do bacteria have in common with the cells of other living organisms?
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Biology, 22.06.2019 22:00
In the 1500s, an astronomer developed a new model of the universe. this model had the sun at the center of the universe, not earth. who was this astronomer?
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Biology, 23.06.2019 07:20
Can nonrenewable resources be used sustainably? a. yes, nonrenewable resources are always beneficial for the environment b. no, there are only negative effects of using nonrenewable resources c. no, there's a finite amount of nonrenewable resources d. yes, as long as use doesn't exceed availability is the correct answer d. yes, as long as use doesn't exceed availability
Answers: 1
What is the initial site of respiration?...
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