1. Introduction to Geography
... by then the problems associated with biogeochemical cycles are usually too severe for improvement. The gaseous elements of oxygen, hydrogen, nitrogen, and the solid carbon are essential to the survival of all life forms on Earth. Unfortunately, both CO2 and N results from human activities such as the combustion of fossil fuels in vehicles, power plants, industries Together they alter ... climates to extremes, contribute to the formation of acid rain, attributes to soil infertility, as well as producing low level photochemical smog; affecting the Earth's ecosystems respectively. Enterpri...
- Word Count: 1055
- Approx Pages: 4
- Grade Level: Graduate