a self regulating feedback system.
Reason: The reservoir pool of carbon consists of free `CO_(2)` in the atmosphere.

Assertion: In nature, the recycling of carbon is essentially a self-regulating feedback system. Reason: The reservoir pool of carbon consists of free CO2 in the atmosphere. (a) Assertion and reason, both are correct. Reason is the correct explanation for assertion. (b) Assertion and reason, both are correct. Reason is not the correct explanation for assertion. (c) Assertion is correct but reason is not correct. (d) Reason is correct but assertion is not correct.

The source of CO_(2) in the atmosphere is

Increased concentration of CO_(2) in atmosphere

Which reservoir regulates the amount of carbon dioxide in the atmosphere?

The correct percentage of CO_(2) in atmosphere is

The correct percentage of CO_(2) in atmosphere is

The cencentration of CO_(2) in the atmosphere is approximately

The acceptable level of carbon monoxide gas(CO) in the atmosphere in ppm level is

The source of carbon is atmospheric CO_2 in