Environment
The removal of forests to use the land for other reasons
Deforistation
what is pollution
the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.
contamination of Earth's land, water, or air through the release of harmful substances into the environment
pollution
the process by which water, ice, wind, or gravity moves weathered particles of rocks and soil
erosion
is fresh water distributed evenly around the world?
no
pollutants that are released into the air
Emissions
what is over population
It is when something is over crowded with excessively large numbers.
a specific source of pollution that can be identified
point source
anything naturally occurring in the environment that humans use
natural resource
small, solid, pieces of material that come from rocks or the remains of organisms.
sediment
The practice of using less of a resource so that it can last longer.
Conservation
What is exponential growth
a quantity increases over time by a consistant amount
a widely spread source of pollution that is difficult to link to a specific point of origin
nonpoint source
a resource that is either always available or naturally replaced in a relatively short time
renewable resource
the water and human wastes that are washed down sinks, toilets, and showers
sewage
The practice of allowing resources time to recover and replenish
sustainable use
what is conservation
the prevention of wasteful use of resources
rain or another form of precipitation that is more acidic than normal, caused by the release of molecules of sulfur dioxide and nitrogen oxide into the air
acid rain
using a resource in ways that maintain it a certain quality for a certain period of time
sustainable
a type of pollution caused by factories and power plants releasing superheated water into bodies of water
thermal pollution
a form of oxygen that has three oxygen atoms in each molecules instead of the usual two; toxic to organisms where it forms near Earth's surface
Ozone
What is birthrate AND deathrate
the number of live births per 1000 people in a population per year. the number of deaths per 1000 people in a population per year
what are 3 ways pollution is caused?
cars, oil rigs, and smoke
the advance of desert- like conditions into areas that previously were fertile; caused by farming, overgrazing, drought, and climate change.
desertification
what are oil and gas often transported in?