At pH less than ………… , some of adult fishes die.
a) 2
b) 3
c) 4
d) 5
Frog are sensitive and may not survive below pH …………
a) 3.6
b) 4.6
c) 5.6
d) 6.6
Effects of acid rain on plants:-
Acid rain removes………from soil that plants needs to grow.
a) nutrients
b) mineral
c) both a & b
d) none of these
At high altitudes, acidic…………and clouds decrease nutrients from trees & plants.
a) fog
b) dew
c) smoke
d) frost
Effects of acid rain on materials:-
