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CH4 Earths Resources
Prentice Hall Earth Science
Question | Answer |
---|---|
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. |