Humans can affect the cycling of materials in an ecosystem through activities such as burning fossil fuels and wood. True or false

Here's an answer that might help you! I hope this helps! Like most biogeochemical cycles, human activities are capable of altering the natural conditions of the nitrogen cycle. The two activities that are primarily responsible for these alterations are the use of fossil fuels and the addition of nitrogen to fertilizers.

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.