Answer:
Option D is the correct answer.
Explanation:
The specific gravity of copper is 8.91.
We have

We also have
1 kg = 2.205 lb
1 m = 3.28 ft
Substituting

Option D is the correct answer.
Carbon and hydrogen are also examples of elements
Answer:
12N S
Explanation:
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Answer:
they collide with one another
Explanation:
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