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Zigmanuir [339]
3 years ago
13

HELP!

Biology
1 answer:
lidiya [134]3 years ago
3 0

Answer:

A. Compounds contain fixed ratios of different elements.

Explanation:

Water always has this 2:1 ratio of hydrogen to oxygen. Like water, all compounds consist of a fixed ratio of elements. It doesn't matter how much or how little of a compound there is. It always has the same composition.

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