Carbon Returns to the Atmosphere

question 24

Multiple Choice

Carbon returns to the atmosphere

• A) as carbon dioxide.
• B) from respiration of plants.
• C) by the burning of fossil fuels.
• D) from respiration of animals.
• E) All answers are correct.

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Definitions:

Amino Acids

Organic compounds that combine to form proteins and are essential for various bodily functions.

Pancreatic Lipase

An enzyme produced by the pancreas that breaks down fats into fatty acids and glycerol during digestion.

Fatty Acids

Organic compounds that are important sources of energy, consisting of a hydrocarbon chain and a terminal carboxyl group.

Glycerol

A simple sugar alcohol compound that is a building block for fats and oils and serves as a backbone in triglyceride formation.