Answer:
b
Explanation:
because it's doesn't breathe or mover
Answer:
I think it's more man-made possibly, but it might be both. You might want to see if someone says both, both I guess C maybe.
These would be the elements in row 2 the alkaline metals. Elements in a row usually share many qualities such as electon reactivity as well as similar characteristics like the fact that many alkaline metals are considered Cations, ions with positive charges. Some examples are beryllium and calcium.