Which occurs when the body responds to the environment by maintaining a stable internal environment despite changing external conditions?

The protection of internal environment from the harms of fluctuations in external environment is termed as HOMEOSTASIS.

Explanation:

External environment and its component fluctuate continuously, however, the organism resists and manage these changes by making adjustments to keep its own internal fluctuations within a narrow range thus protecting internal environment from harms of fluctuations.

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.

the correct answer would be 6 feet.