Materials that allow electrons to move through them easily

silver, copper, gold, aluminum, iron, steel, brass.

copper, brass, gold, aluminum, iron, steel, and silver.

Explanation:

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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.

you know they are heterozygous for a trait because they have it as jj or jj.