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Are substances released into the environment that in excess amounts cause damage
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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 12:30, Diaryyy3986
Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled
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Biology, 22.06.2019 21:00, fdryktysysmzet3640
Me what would happen if a plant could carry out photosynthesis, but not respiration? question 1 options: it would have no food. it would have too much water. it would be unable to capture the energy in sunlight. it could make food but not break it down for energy.
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Một gen có số nu loại G=378,T=29%.tính số nu của gen và số nu thuộc mỗi loại còn lại của gen...
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