Question

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

Explanation:

1. Analyze each option:

• Option 1: The carbon cycle is not related to the water supply. The water cycle is responsible for the water supply. So this is incorrect.
• Option 2: Transporting nutrients in water bodies is related to the water cycle and nutrient cycles, not the carbon cycle. So this is incorrect.
• Option 3: The carbon cycle helps regulate Earth's temperature. For example, carbon dioxide is a greenhouse gas, and the cycle of carbon (through processes like photosynthesis, respiration, and carbon sequestration) affects the amount of greenhouse gases in the atmosphere, which in turn regulates temperature.
• Option 4: The carbon cycle is about carbon, not hydrogen. So this is incorrect.

Answer:

The carbon cycle helps regulate Earth's temperature.