Answer:
The answer is A. The process of breaking down rock and soil.
Explanation:
An example of this will be the grand canyon because it use to be filled with water and all the water was wearing away the rock.
A planetary nebula is a (ring-shaped) type of nebula formed by an expanding shell of gas around an aging star. *a planetary nebula is a type of nebula*. im not completely certain though. i might be wrong.
Answer:
High heat and lower pressure at the base of the lithosphere (tectonic plate) facilitates melting of the rock. This melt, called magma, rises through cracks and erupts to form volcanoes. As the tectonic plate moves over the stationary hot spot, the volcanoes are rafted away and new ones form in their place.
Explanation: hope this helped