Along with Earth’s crust, which portion of the upper mantle forms the lithosphere? A.
cooler, more rigid outer portion
B.
hotter, liquid-like inner portion
C.
cooler, liquid-like inner portion
D.
hotter, more rigid outer portion

A = cooler, more rigid outer portion

Explanation:

Plato answer is A

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.