It is believed that, 66 million years ago, the first human lived. This is according to fossil. It is thought that, after the Cretaceous–Paleogene extinction [the extinction of dinosaurs and 3/4 of plant and animal life], the first humans appeared.
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Answer:
1-b 2-c 3-a
Explanation:
Flute
3.5 x 10^22 moles of carbon are there in a 0.70 g (3.5 carat) diamond.
In case of diamond, the number of atoms is the same as the number of molecules.
the answer is d hope this helps
Answer:carbon group
