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belka [17]
2 years ago
9

Which ion has a negative charge?

Biology
1 answer:
son4ous [18]2 years ago
6 0

Answer:

Protein is correct

Explanation: the other three choices have positive charges

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oxygen

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The periodic table has columns that group elements according to their _____.
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3 years ago
How are characteristics that suit a species for survival transmitted from one generation to the next?
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