Over the Course of the Last Century,the Number of People

question 85

Multiple Choice

Over the course of the last century,the number of people involved in agricultural work

• A)has remained about the same.
• B)has declined steadily.
• C)has increased dramatically.
• D)has stayed the same,although a larger share of workers are immigrants.

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Definitions:

Chemiosmosis

The movement of ions across a semipermeable membrane, down their electrochemical gradient, which is used to generate ATP in cellular respiration and photosynthesis.

Aerobic Bacteria

Bacteria that require oxygen for their growth and survival, using it to produce energy through cellular respiration.

ATP Production

The process by which cells generate adenosine triphosphate, a molecule that stores and transports chemical energy within cells.

Cellular Respiration

The metabolic process by which cells produce energy in the form of ATP from glucose, typically occurring in the presence of oxygen.