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Stack #286728
HMS Chapter 5 Earth's Natural Resources
| Question | Answer |
|---|---|
| natural resources | any useful material found in the environment |
| raw material | a resource or material that is still in its natural state, before being processed or manufactured into a useful product |
| recyclable resource | a resource that cycles through natural processes in the environment; water, nitrogen, and carbon are recyclable resources |
| renewable resource | a natural resource that the environment continues to supply or replace as it is used; trees, water, and wind are renewable resources |
| nonrenewable resource | a resource that cannot be replaced once it is used; nonrenewable resources include fossil fuels such as coal and oil, and minerals such as iron, copper, and gold |
| fossil fuel | any one of several nonrenewable resources such as coal, oil, or natural gas, created from the remains of plants and animals |
| manufacturing | the process of turning raw materials into a finished product |
| developed nation | a country with a modern industrial society and a well-developed economy |
| developing nation | a country with relatively low industrial production, often lacking modern technology |
| commercial farming | farming that is done by companies; commercial farms are large and use modern technology; also, the raising of crops and livestock for sale in outside markets |
| subsistence farming | farming that provides only enough food and animals for the needs of a family or village |
| plantation | a large estate, usually in a warm climate, on which crops are grown by workers living there; plantations usually raise a single crop for export |
| foreign aid | economic and military aid to another country |
| ecosystem | a community of living things and their environment; the elements of an ecosystem interact with one another |
| deforestation | the process of clearing land of forests or trees, usually to make room for farms and homes |
| habitat | the area in which a plant or animal naturally grows or lives |
| acid rain | rain whose high levels of chemicals can pollute or damage the environment; usually caused by pollutants from the burning of fossil fuels |
| ozone layer | the layer of gas in the upper part of the atmosphere that blocks out most of the sun's harmful ultraviolet rays |
| global warming | a slow increase in the Earth's temerature due to the increasing amount of carbon dioxide in the atmosphere; if there is too much carbon dioxide in the atmosphere, more heat than normal is trapped and temperatures around the world increase |
| recycle | to reuse materials to make new products |
Created by:
jabbott
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