How has the chemical change in precipitation affected the stability of this ecosystem?

Question

a
The forest has become more stable because its terrain has become secured by grass and shrubs.
b
The forest has become more unstable because its terrain has become more likely to be eroded.
c
The forest has maintained the same level of stability because its terrain remains fully protected from erosion.
d
The forest has become alternately stable and unstable from falling trees and rocks.

Answer 1

b
The forest has become more unstable because its terrain has become more likely to be eroded.