Humans have caused a lot of ________ to the environment, and now they have to suffer from ________ pollution. A. damageable / seriousness B. damaging / serious C. damage / serious D. damag
Humans have caused a lot of ________ to the environment, and now they have to suffer from ________ pollution.
A. damageable / seriousness
B. damaging / serious
C. damage / serious
D. damage / seriously