Read the statements about the following picture.i. A series of organisms each dependent on the next as a source of food.ii. A system of interlocking and interdependent food chains.iii. The rate at which energy is converted by photosynthetic andchemosynthetic autotrophs to organic substances. Find the statement that correctly describes the picture.
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.
