Vocab
The number of people born per 1,000 individuals for a certain period of time
Birth Rate
The water and human wastes that are washed down sinks, toilets, and showers.
Sewage
Removes the top layer of dirt, exposing the mineral or ore underneath.
Strip Mining
Contamination of Earth's land, water, or air
Pollution
What is the first layer of soil called?
Litter
A form of oxygen that has three oxygen atoms in each molecule instead of the usual two
Ozone
A resource that is either always available or is naturally replaced in relatively short time.
Renewable Resource
Removal of forests to use land for other reasons.
Deforestation
A widely spread source of pollution that is difficult to link to a specific point of origin
Nonpoint Source
WHat is underneath the subsoil layer?
Bedrock
A specific source of pollution that can be identified
Point Source
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
Where are the metals and plastic that are used in televisions, cellular phones, etc found?
Underground
What is the primary source of smog?
Cars and trucks
What is topsoil a mixture of?
Nutrients, water, air, rock fragments, and dead and decaying organisms
Using a resource in ways that maintain it at a certain quality for a certain period of time
Sustainable
The practice of using less of a resource so that it can last longer
Conservation
The use of land to produce food
What can smog do to humans that is bad?
Breathing problems and disease of eyes and throuat
What does the topsoil consist of?
Dead leaves and grass
A type of pollution caused by factories and power plants releasing superheated water into bodies of water
Thermal Pollution
The process by which water, ice, wind or gravity moves weathered particle of rock and soil
Erosion
To cut down and remove every tree from an area
Clear Cutting
What is air a mixture of?
Nitrogen, oxygen, carbon dioxide, water vapor, and other gases
As time passes, water dissolves the rock, and its freezing and thawing action cracks and breaks apart the bedrock.
What is the process of the layers of soil?