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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 06:50
Which organelle breaks down sugar molecules that supply energy to the cell ?
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Biology, 22.06.2019 07:00
Give an example of a trait that is controlled by more than one gene.
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Biology, 22.06.2019 07:30
Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium
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Provide the composition of Nucleic acids...
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Computers and Technology, 11.11.2019 18:31
Computers and Technology, 11.11.2019 18:31