OBJECTIVE FORESTRY

FORESTRY

ECOLOGY AND ENVIRONMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The bodies of all living things are based on carbon. Which of the following is the primary source of carbon in living things?
A
carbon compounds stored in fossil fuels
B
carbon compounds in the soil
C
dissolved carbon dioxide in the biosphere
D
carbon dioxide in the atmosphere
Explanation: 

Detailed explanation-1: -Carbon dioxide (CO2) in the air or dissolved in water is the source of carbon found in living stuff.

Detailed explanation-2: -Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.

Detailed explanation-3: -Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.

There is 1 question to complete.