The Current Global Population Is Approximately

question 21

Multiple Choice

The current global population is approximately:

• A)7 billion
• B)7 million
• C)700 billion
• D)700 million
• E)70 billion

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Definitions:

Electron Transfer Chain

A series of compounds that transfer electrons from electron donors to electron acceptors via redox reactions, and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.

Reactant Glucose

A starting material in a chemical reaction, specifically glucose, which is a simple sugar that organisms use for energy.

ATP Molecules

Adenosine triphosphate molecules, which serve as the primary energy carrier in cells, powering various cellular processes.

Kilocalories

A unit of energy measurement in food, commonly called calories, equal to 1,000 small calories, used to quantify the energy food provides to the body.