Chlorofluorocarbons (CFCs) Are Pollutants Because

question 42

Multiple Choice

Chlorofluorocarbons (CFCs) are pollutants because

• A) biogeochemical mechanisms for their removal have not yet appeared in the biosphere.
• B) they combine with water to form hydrochloric and hydrofluoric acids.
• C) they are found in smog.
• D) they are photochemical oxidants.
• E) they combine with carbon dioxide to form acid rain.

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Definitions:

Monozygotic Twins

Twins that develop from a single fertilized egg, sharing nearly 100% of their genetic material.

Dizygotic Twins

Also known as fraternal twins, these are siblings born during the same pregnancy who have developed from two separate eggs fertilized by two different sperm.

Biological Parents

The parent(s) who contribute their genes to their offspring through reproduction.

Chromosomes

Structures within cells that contain DNA and carry genetic information necessary for cell growth, division, and function.