BiologyFind the correct statements from the following :i) Lichens serve as pollution indicators.ii) Acid rain caused due to oxides of Nitrogen and Sulphur.iii) Automobiles are called line sources of pollution.iv) Crackers increase the noise level to 80-100 dB.
Find the correct statements from the following :
i) Lichens serve as pollution indicators.
ii) Acid rain caused due to oxides of Nitrogen and Sulphur.
iii) Automobiles are called line sources of pollution.
iv) Crackers increase the noise level to 80-100 dB.
