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Conserving Resources
Natural Resources Review
Question | Answer |
---|---|
Saving resources by using them wisely. | CONSERVATION |
Material from the earth that is used by living organisms. | NATURAL RESOURCES |
A natural resource that is constantly recycled or replaced by nature (sunlight, water, air, crops). | RENEWABLE RESOURCE |
Nonrenewable energy resources that form in Earth’s crust over very long periods of time (petroleum, natural gas and coal). | FOSSIL FUELS |
Natural resources that are used up more quickly than they can be replaced. | NONRENEWABLE RESOURCE |
A substance that contaminates the environment (smoke, ash, carbon dioxide). | POLLUTANT |
Gases in the air mix with water and fall to the earth. | ACID RAIN |
The thinning of Earth's ozone layer. | OZONE DEPLETION |
The heat-trapping feature of the atmosphere that keeps Earth warm enough to support life | GREENHOUSE EFFECT |
The most inexhaustible source of energy for all life on Earth. | THE SUN |
To use less of fossil fuels, or natural resources. | REDUCE |
Using something again without changing it or reprocessing it. | REUSE |
A form of reuse that requires changing or reprocessing an item or natural resource. | RECYCLE |