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gr5 ch3 sec1,2,3
Environmental Science
Question | Answer |
---|---|
natural resource | Anything in the emvironment that is used by people |
Renewable resource | are either avaliable or alawys replaced in a relativly short time |
nonrenewable resources | can never be replaced |
pollution | the contamination of earths land,water,air |
evironmental science | is the study of natural processes in the environment and how humans effect them. |
clear cutting | is when you chop every tree down |
selective cutting | is when you select a group of tree then chop it down |
sustainable yield | is an amount of a renewable resopurce |