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One of the Factors Contributing to the High Levels of Pollution

question 131

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One of the factors contributing to the high levels of pollution in China is:


Definitions:

Glutamic Acid

An amino acid that is critical for proper brain function and metabolism, and serves as a neurotransmitter.

Lysine

An essential amino acid required for growth and tissue repair, crucial in the production of various enzymes and hormones.

Keratin

A type of structural protein found in hair, nails, and the outer layer of skin, providing toughness and water-resistance.

Animal Hair

The filamentous biomaterial that grows from the skin of animals, primarily used for protection, sensory purposes, and heat regulation.

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