The carbon cycle ensures that carbon is not lost. Which is another important benefit of the carbon cycle?
The carbon cycle helps regulate Earth's temperature.
The carbon cycle ensures that living things have a continual source of hydrogen.
The carbon cycle helps transport nutrients in bodies of water.
The carbon cycle ensures that there is a continual supply of water.

Option A. The carbon cycle helps to regulate Earth's temperature.

Explanation:

Carbon is present in carbondioxide which is a greenhouse gas. Greenhouse gas is a type of gas which has the ability to absorb heat energy from the surrounding and increase the temperature of earth atmosphere. If greenhouse gas increases in the concentration, it increases the temperature of earth and causes global warming. This carbon is regulated in the atmosphere through a cycle called carbon cycle. Carbon comes to the earth through rainfall and photosynthesis and goes back to the atmosphere through respiration.

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

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