the number of births per 1,000 individuals for a certain time period

the practice of using less of a resource so that it can last longer

gases react in the sunlight to produce a form of oxygen called

the removal of forests to use the land for other reasons

small particles of rocks and sand carried by erosion from the land into the water

what is the number of deaths per 1,000 individuals for a certain time period

using resources in ways that maintain them at a certain quality for a certain period of time.

precipitation that is more acidic than normal because of air pollution

a process by which forces such as wind, water, and ice move particles of rocks or soil

heat that negatively affects bodies of water

a growth pattern in which individuals in a population reproduce at a constant rate, so that the larger population gets, the faster it grows

a specific, identifiable pollution source

anything we use that occurs naturally in the environment is called

the advance of desert-like conditions into areas that were previously fertile

raising fish and other water-dwelling organisms for food

the contamination of Earth's land, water, or air

widely spread pollution that cannot be tied to a specific origin

either always available or is naturally replaced in a relatively short time

using a resource in ways that maintain the resource for all future generations

the process of restoring land that was lost (through erosion, mining, or waste disposal) to a more productive state

when the number of humans grows beyond what the available resources can support

pollutants that are released into the air

resources that are not replaced within a relatively short time frame

water and human wastes that are washed down sinks, showers, and toilets

holes where we might bury solid waste, construction debris, and agricultural and industrial waste--- they are designed to protect the surrounding areas from soil and water pollution