Which step is not involved in the carbon-cycle?
(a) Photosynthesis
(b) Transpiration
(c) Respiration
(d) Burning of fossil fuels
In the process of transpiration trees and plants remove water from it with the help of leaves. It does not involve the mission or absorption of carbon dioxide. Photosynthesis in plants and respiration in all living organisms are parts of the carbon cycle. Burning of fossil fuels releases carbon dioxide therefore it is also part of the carbon cycle.
The correct answer to this question is option B