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brilliants [131]
4 years ago
6

Plz help I will mark you brainlist ​

Biology
1 answer:
uranmaximum [27]4 years ago
5 0
I think it’s D. H2, NaCI, CO
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If a mineral can scratch fluorite and it can be scratched by a knife what is the hardness of the mineral
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The hardness rating is 4.

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What must be true of any organ that is described as vestigial?
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Hope this helps
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