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ch 4 E. resources

Earth Science

QuestionAnswer
Nonrenewable resources are those that... have finite supplies.
What are some fossil fuels? coal
Petroelum and natural gas form from... the remains of plants and animals burried in seas long ago.
Hydroelectric power produces electricity using... moving water.
What substance is a fuel used in nuclear power plants. uranium
Point source pollution comes from sources that are... Directly identifiable.
An unnatural warming of the atmosphere is known as... Global warming.
The careful use of resources is conservation.
The Clear Air Act Set limits on certain pollutants in outdoor air.
What type of pollution did the Clean Water Act succeed in limiting? Sewage
What are the three major types of fossil fuels? Coal, Oil, and natural gases.
What is a major negative impact of the use of fossil fuels? The major negative effects are that they are nonrenewable.
What is the difference between a mineral resource and an ore? Mineral resources are usually renewable.
Why do hydroeletric dams have limited lifetimes? Because water can bring decay and chip away at the dams.
How can farmers help protect land resources? They can use less chemicals.
What are three things you can do to prevent water pollution? Properly throw away batteries, save water, don't litter.
What are three things that you can do to save energy, Don't leave tv on. Don't leave lights on, and try and walking more instead of driving.
Renewable resources are? Resource that replenish over a short time
What is the largest contributer of air polution? Carbon Monoxide, at around %50
The use of hydroelctric dams using tide energy are a resonable why? Unless the Moon explodes, tides will always be there for us.
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