renewable resource - a resource that is replaced naturally and can be used again in a lifetime, nonrenewable resource - a resource that is not replaced in a useful time frame, fossil fuel - Coal, oil, natural gas, and other fuels that are form from the remains of ancient plants and animals., conservation - protecting and preserving natural resources and the environment, natural resources - materials or substances such as minerals, forests, water and fertile land that occur in nature / NOT man made, recycle - convert waste into reusable material, reduce - to use less of something, reuse - to use something again, repurpose - adapting something into a new function or purpose, refuse - deciding to no longer use something that pollutes the environment,

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