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Natural Resources
Topic Six Lessons 1 and 2: Nonrenewable and Renewable Energy Resources
Question | Answer |
---|---|
natural resource | anything that occurs naturally in the environment that humans use |
nonrenewable resource | a natural resource that cannot be replaced in a useful time frame |
fossil fuels | energy rich substances that are made from the preserved remains of organisms |
nuclear fission | the splitting of an atom's nucleus into two nuclei and releases a great deal of energy |
renewable resource | a resource that we will not run of and can be easily and quickly replaced |
renew | to replace something, re-establish, be able to repeat an action |
cost | the required price or the amount something has to be paid (in consequence) to obtain something |