Erosion is: A.
the process of moving materials from their source to another location through weathering.

B.
the breaking down of rock soil and minerals.

C.
magma coming up from the Earth’s mantle through openings in the crust.

uhhh maybe A..

Explanation:

in earth science, erosion is the action of surface area process that removes soil, rock, or dissolved material from location on the earth's crust, and then transports it to another location

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.

preservation because he preserves part of the land and preserves means save

explanation: