The answer to your question is: D. rainfall and ocean waves.
Looking at both figures shows that rain and the waves have changed the terrain.
Answer: <em>I think </em><u>Southeast</u>
Explanation: The north american continent is moving southeast
D. Hydrogen
Two elements make up the overwhelming majority of the sun's matter, by mass: hydrogen (about 70 percent) and helium (about 28 percent).
Your welcome
The outermost region of a planet's atmosphere.
