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ch4 earths resources
prentice hall earth science
| Question | Answer |
|---|---|
| what is a renewable rescource? | a renewable rescource can be replenished over a short period of time. |
| what energy resources are fossil fuels? | fossil fuels are coal, oil, natural gas |
| what are the advantages of using solar energy? | the two advantages are the fuel is free and it is nonpolluting |
| what is geothermal energy? | geothermal energy is hot water used for heating to turn turbines to generate electricity |
| what is wind energy? | wind energy is created by harnessing wind by using long blades to turn the turbines to create energy |
| what is hydroeletric energy? | water held in a reservoir then released through the dam to create power |
| what is tidal power? | tidal power is created through constructing a dam across a bay to make water flow in and out to cause turbines to turn to create energy |
| why is fresh water a vital resource? | fresh water is a vital rescouce because we use water for drinking, cooking, bathing, and growing food |
| what is point source pollution? | pollution that comes from a specific location |
| what is nonpoint source pollution? | pollution that has not specific origin |
| what is the role of ozone in the atmosphere? | three atom form of oxygen protects the earth from earth's harm |
| what are earth's land resources? | they provide soil and forests and also energy resources |
| what is conservation? | protecting earth's valuble resources |
| what did the clean air act do? | the clean air act is a law that makes it so people cant pollute the air |
| what did the clean water act do? | helped protect drinking resources |
| what is the difference between compost and recyling? | the difference between the two is recycling is the collecting and processing of used items, compost is decomposed organic materials used as fertilizers |
| what is the RCRA and what does it do? | It has helped decrease illegal and unsafe dumping of hazardous materials |
| what is runoff? | water that runs over land rather that going into the ground |
| what is global warming? | global warming is the unnatural warming of the lower atmosphere |
| what is a nonrenewable resource? | a nonrenewable resource is a resource that takes millions of years to form |