The correct answer is a) animal respiration.
Animal respiration involves the release of carbon dioxide by animals during the process of cellular respiration. This is a biological process as it is carried out by living organisms.
Volcanic eruption (b) is not a biological process. It involves the release of carbon dioxide and other gases from deep within the Earth's crust during volcanic activity.
Fossil fuel combustion (c) is also not a biological process. It refers to the burning of fossil fuels such as coal, oil, and natural gas, which releases carbon dioxide into the atmosphere.
Therefore, only option a) animal respiration is considered a biological process in the carbon cycle.
Review the Table below:
Which of the following parts of the carbon cycle would be considered biological processes?
a
animal respiration
b
volcanic eruption
c
fossil fuel combustion
d
All the listed are considered biological processes.
1 answer