Why Are Dark Green Vegetables Such as Kale and Spinach

question 23

Multiple Choice

Why are dark green vegetables such as kale and spinach good sources of vitamin A?

• A) They contain the most abundant preformed vitamin A.
• B) They are fortified with vitamin A.
• C) They contain vitamin C, which boosts the absorption of vitamin A.
• D) They contain abundant beta-carotene, a precursor of retinol.

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Definitions:

Range Cylinder

A hydraulic or pneumatic cylinder used to change the range in certain types of machinery, such as transmissions in trucks or in heavy equipment, facilitating changes between high and low gear sets.

Gear Clash

A phenomenon that occurs when gear teeth collide due to improper engagement, often resulting in noise or damage.

Noisy Transmission

Refers to disturbances or interference present in the communication channel, leading to degradation in the quality of the signal received.

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A systematic approach used to diagnose and solve problems or malfunctions in a device or system.