Answer:
20 different kinds of minerals make up 95% of earth's rocks.
<u><em> I hope this helps... please correct me if i'm wrong</em></u>
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Answer:
<h2>8.03 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question we have

We have the final answer
<h3>8.03 g/mL</h3>
Hope this helps you
Answer : Option A) the arrangement of bonded atoms.
Explanation : A structural formula of certain molecule depicts the way the atoms are arranged in that particular molecule in any polyatomic species. It helps in deciding the chemical properties of that polyatomic molecule.