This element can form a wide variety of substances, including long chains. The different substances it forms are central to the molecules found in living things. What element is this?

The element is carbon

Explanation:

It has ability to catenate and it is a major constituent of all living matters

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.