USOE Home Page Copyright by the Utah State Office of Education. With it they will design an experiment to better understand the impact of man-made changes on biological processes in air and water.
Ecosystems exist in a delicate balance which has evolved over millions of years.
Small changes can affect this balance. Cycles exist which restore nutrients to the systems. The water cycle, nitrogen cycle, and carbon cycle are three important ones. The success of plant and animal life depends on them. The atmosphere is in delicate balance.