2. Fossil Fuels Coal…Coal is a combustible, sedimentary, organic rock, which is composed mainly of carbon, hydrogen and oxygen. Oil…. Crude oil, natural gas and coal are fossil fuels. Fossil fuels are very precious resources because they are non-renewable.

3. Evaluating fossil fuels Pro…Fossil fuels include any fuel that is created beneath the earth's surface from ancient plants and animals. Fossil fuels are non- renewable fuel resources. Con… Cons include the cost of advancing technology to use fossil fuels more efficiently as well as reduce the acquisition impact on the environment.

4. Non-renewable A non-renewable resource is a natural resource which cannot be reproduced, grown, generated, or used on a scale which can sustain its consumption rate, once depleted there is no more available for future needsresource sustain

5. Renewable energy sources Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally replenished).energynatural resourcessunlight windraintides geothermal heat renewable