Environmental Science

acid agricultural air pollution algae animals areas atmosphere atomic automobile bacteria biological birth rate calories carbon carbon dioxide cells cent chain chemical CO₂ coal compounds concentration consumed cooling cost curve cycle death rates decibels developed dioxide disease Earth ecological economic ecosystem effects electric energy environment environmental eutrophication example extinction fertility FIGURE fish fission food web forest fossil fuels fuel gene genetic half-life heat human hydrogen increase industrial insecticide insects lake land living materials matter mechanisms ment million molecules natural neutrons nitrogen noise nuclear nutrients occur ocean operations organic organochloride oxidation oxygen particles pesticides pests plankton pollution control population density population growth power plants predators problems production protein quantities radiation radioactive radioactive wastes reaction reactor recycling result sewage soil solid wastes sound sources species substances sulfur survive temperature thermal pollution tion United water pollution