Read the following statements about carbon cycle. I. About 4 × 1013 kg of carbon is fixed annually in the biosphere through photosynthesis. II. Carbon return to the atmosphere as CO 2 through respiration by producers and consumers. III. Decomposers return CO 2 to the atmosphere by processing of waste materials and dead organic matter of land or oceans. V. Burning of wood, combustion of organic matter, volcanic activities, etc., release CO 2 into the atmosphere. Choose the correct option.

Question

Read the following statements about carbon cycle. I. About 4 × 1013 kg of carbon is fixed annually in the biosphere through photosynthesis. II. Carbon return to the atmosphere as CO 2 through respiration by producers and consumers. III. Decomposers return CO 2 to the atmosphere by processing of waste materials and dead organic matter of land or oceans. V. Burning of wood, combustion of organic matter, volcanic activities, etc., release CO 2 into the atmosphere. Choose the correct option. (A) Both statements I and II are true, but III and IV are false (B) Both statements I and II are false, but III and IV are true (C) All statements are true (D) All statements are false

Tardigrade Admin · Accepted Answer

Correct answer is (c) All statements are true