PLZZZ HELP Describe the cycling of carbon in the carbon cycle as it passes through the living and non-living components of the ecosystem.

The biosphere is part of the carbon cycle, but what if there were no biosphere? Is the biosphere necessary for the carbon cycle? In 3-5 sentences, explain why or why not.

In 3–5 sentences, describe how carbon dioxide levels can be reduced in the atmosphere.

A fellow student is studying the differences between photosynthesis and cellular respiration. The student asks you to explain how cellular respiration uniquely contributes to the carbon cycle. In 3–5 sentences, describe the different ways that both photosynthesis and cellular respiration contributes to the carbon cycle.

The chemical equation for photosynthesis suggests that blowing on a glass of water placed in a sunbeam will produce glucose and oxygen. Compare the chemical equation to actual photosynthesis and explain why no reaction occurs. Explain your answer in 1–2 sentences.