Lichens indicate SO2 pollution because they (a) show association between algae and fungi (b) grow faster than others (c) are sensitive to SO2 (d) flourish in SO2 rich environment.

Lichens indicate SO2 pollution because they
(a) show association between algae and fungi
(b) grow faster than others
(c) are sensitive to SO2
(d) flourish in SO2 rich environment.
by

1 Answer

Answer :

(c) are sensitive to SO2
by

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