Which of the Following Cycles Appears to Make the Greatest

question 5

Multiple Choice

Which of the following cycles appears to make the greatest contribution to climate change?

• A) the phosphorus cycle
• B) the carbon cycle
• C) the sulfur cycle
• D) the nitrogen cycle

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Definitions:

Meso-Butane-2,3-Diol

A specific type of butane diol with a meso configuration, meaning it has a plane of symmetry and is optically inactive.

Alkene Starting Material

A specific class of starting materials characterized by having at least one carbon-carbon double bond.

Phenol

An aromatic organic compound with a hydroxyl group (-OH) attached to a phenyl ring, used in the manufacture of plastics and pharmaceuticals.

Acidic

Characterized by a low pH and the ability to donate protons or accept electron pairs during chemical reactions.