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An atom of nitrogen had seven protons in its nucleus. how many electrons does it have
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Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth
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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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Name the process that has taken place when u put pebbles in water...
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