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Biology, 21.06.2019 22:30
Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials
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Biology, 22.06.2019 20:30
The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?
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A lake has very deep water at the bottom, in the benthic zone. Why is it more difficult for plants t...
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