Question | Answer |
Natural Resource | Any useful material found in the environment |
Nonrenewable Resource | A resource that cannot be replaced once it is used; it includes fossil fuels such as coal and oil, and minerals such as iron, copper and gold. |
Recyclable Resource | A resource that recycles through natural processes in the environment; such as water, nitrogen and carbon. |
Raw materials | A resource or material that is still in its natural state before processes or manufactured into a useful product. |
Fossil Fuel | Any one of several nonrenewable resources such as coal, oil or natural gas, created from the remains of plants and animals. |
Habitat | The area in which a plant or animal naturally grows or lives. |
Recycle | To reuse material to make new products. |
Global Warming | A slow increase in Earth's temperature 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. |
Ozone Layer | The layer of gas in the upper part of the atmosphere that blocks out most of the sun's harmful ultraviolet rays. |
Acid Rain | Rain whose high levels of chemicals can pollute or damage the environment; usually caused by pollutants from the burning of fossil fuels. |
Deforestation | The process of clearing land of forest or trees, usually to make room for farms and homes. |
Ecosystem | A community of living things and their environment; the elements of an ecosystem interact with one another. |
Foreign Aid | Economic and military aid to another country. |
Plantation | A large estate, usually in a warm climate, on which crops are grown by workers living there; they usually raise a single crop for export. |
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. |
Commercial Farming | Farming that is done by companies; they 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. |