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Vilka [71]
2 years ago
11

Select the correct answer.

Biology
1 answer:
prisoha [69]2 years ago
4 0

Answer:

A- they belong to the same group of the periodic table

Explanation:

because the elements in the same group may have different atomic masses and numbers but they are arranged into groups according to their properties

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As far as Alzheimer's researchers know, the primary cause of Alzheimer's disease is:
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