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CH4 Earths Resources

Prentice Hall Earth Science

What is a renewable resource? A resource that can be replenished over a short period of time.
What is a nonrenewable resource? A resource that take millions of years to replenish.
What is a fossil fuel? A hydrocarbon that can be used as a form of energy.
What is a risk of mining? Mining can cause surface damage and can pollute soil and nearby water sources.
What is point source pollution? Pollution that comes from a known source.
What did the Clean Water Act do? It made industries reduce point source pollution into surface waters.
What did the Clean Air Act do? It set limits on the outside air quality.
What is nonpoint source pollution Pollution that comes from multiple or unknown sources.
What does the chemical composition of the atmosphere do? It helps maintain life on Earth.
What does mining do to vegataion? Mining can destroy vegataion.
What is global warming? The unnatural warming of the lower atmosphere.
How much of the countrie's demand will wind energy become in 50 to 60 years? It should rise between 5 and 10%
How do windmills work? Wind turns the turbines which are connected to a shaft running to a generator. This generator is a coil of wire surrounded by magnets.
What are the primary pollutants? Carbon monoxide, nitrogen oxides, sulfur oxides, volatile organics, and particulates.
Where do primary pollutants come from? Transportation, industrial processes, stationary source fuel combustion, and solid waste disposal.
What is runoff? Runoff is the water that flows over the land and doesn't seep into the ground.
What are the major types of water pollution Diesase organisms, Wastes that remove oxygen from water, inorganic chemicals,organic chemicals, plant fertilizer, sediment, radioactive substances.
What is conservation Conservation is careful use of resources.
How do windmills work? Windmills turn generators to generate power
Why is fresh water a vital resource? Because it is used for drinking, earting, bathing, and growing food.
Created by: rebecca.hann