In general, acid deposition has harmful effects for terrestrial ecosystems when it falls below a pH level of
a. 3.6
b. 4.6
c. 5.6
d. 6.6
e. 7.6
Answer: C
In general, acid deposition has harmful effects for terrestrial ecosystems when it falls below a pH level of
a. 3.6
b. 4.6
c. 5.6
d. 6.6
e. 7.6
Answer: C