Which of the following is an example of an indirect observation?

An observation technique where some record of past behavior is used to deduce what happened during an event, e.g. looking at packaging usage in a fast food restaurant to understand what flavored drinks sell the most.

Explanation:

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.

answer; the correct answer is (beta)