Yes, all animals inhale (in) and exhale (out). Except for fish.
It expanded slowly - False
It gradually warmed - False
Stars and galaxies formed - True
Atoms such as hydrogen and helium formed - True
It was no bigger than the head of a pin before it exploded - True
I believe A. Nitrogen is the most abundant Gas.
the answer is D. Air will move from an area with higher pressure to an area with lower pressure :)
Answer:
too much stuff pls summarize
Explanation:
