Answer:
I know its not Oxygen (O2) because we need that gas to breath if not more of that gas! and i know its not helium because it is not very toxic and not a crisis in the world
Your answers are going to be B. and D.
have a nice day!
Answer:
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Explanation:
Answer:
Its Obviously Dinosaurs
Explanation: They died 65 million years ago
Answer:
a compound
Explanation:
A molecule with multiple atoms is compound like water it's made up of 1 oxygen and two hydrogen.
