It could be the air. the volcano let out air that changes the atmosphere.
Answer: The continents were once all one land mass that broke apart.
If you have ever looked at a map of the Atlantic Ocean, you have probably noticed that the coastlines of Africa and South America seem to fit together like pieces of a jigsaw puzzle. This phenomenon proves that the continents were once a vast landmass that broke apart.
Answer:
Without naturally occurring greenhouse gasses the Earth would turn very cold.
Explanation:
Greenhouse gasses lock in heat so without them all of the heat from the sun would be released into space.
Answer:
Carves landscapes from below the surface
Explanation:
Groundwater is below the surface, and using the process of elimination, you will be left with the first choice, carves landscapes from BELOW the surface.