(D) atmosphere, earths atmosphere is a layer of gases surrounding the planet earth and retained the earths gravity.
Seashells come from Mollusks. Mollusks are a large group of Marine animals including clams, mussels, and oysters.
Answer:
The answer is a = -9
Explanation:
Move all terms that don't contain a to the right side and solve.
Hoped this helped!
Answer:
Richter or Mercalli Scale.
Explanation:
