Question

"The earth crust is unstable". Explain two effect on the earth surface?(in 40 words.)

Answer 1

The earth's crust is unstable because of the exogenic forces.The exogenic forces are modified by two processes - weathering and erosion.
Weathering is the process of disintegration of rocks.
Erosion is the process by which weathered material are transported elsewhere.

Answer 2

the earth crust is unstable due tectonic plate which is under land when there collision occurs there are change ment among them two are valley, volcanic