In the Figure Below,why Is There a Seasonal Variation in Carbon

question 30

Multiple Choice

In the figure below,why is there a seasonal variation in carbon dioxide (CO₂) concentrations?

• A)CO₂ concentrations rise and fall as photosynthesis decreases and increases.
• B)CO₂ concentrations rise and fall in conjunction with power plant emissions.
• C)CO₂ concentrations rise and fall with variations in solar radiation.
• D)The measurements were made in different places at different times of year.

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Definitions:

Supraspinatus

A muscle located in the shoulder, part of the rotator cuff, that assists in abduction of the arm.

Subscapularis

A muscle in the shoulder that assists in rotating the arm and stabilizing the shoulder joint.

Teres Major

A muscle located in the upper arm that assists in the rotation and adduction of the arm.

Shoulder Level

A reference point used in medical and fitness contexts to describe the height or area around the shoulders of a human body.