Where does the Earth’s internal heat come from? Choose all that apply. It is left over from the planet’s formation.

It is absorbed from the sun.

It is created by the decay of radioactive elements.

It is created from molten lava.

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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.