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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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Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?
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Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell
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Biology, 22.06.2019 08:00
Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.
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What do plants and animals confuse light pollution with...
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