Question

a) The uppermost layer of earth on which plants grow
b) Made of the decayed remains of dead plants and animals
c) The process by which rocks break down to form soil
d) The wearing away of the topsoil​

Answer 1

Answer:

a)A-horizon

b) humus

,d) erotion

c)weathring

Explanation:

do you read in class7?

Answer 2

a)crust

b)crust

c)weathering

d)erosion