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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 04:00
What is the difference between how ionic and covalent bonds form
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Biology, 22.06.2019 06:30
Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases
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Examples of obligate intracellular parasites that can only replicate inside a host cell are:...
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