By: Thomas and Keith

 Renewable-A resource that can be renewed over a period of time.  Non Renewable- A resource that cant be renewed or takes billions of years  Natural Resources- Is any natural substance, organism, or living things use.  Recycling- Is the process by which used or discarded materials are treated for reuse.  Energy Resource- Are natural resources that humans use to reduce energy.  Fossil Fuel- Are non renewable energy resources that form in earths crust over millions of years.  Petroleum- Or crude oil, is an oily mixture of flammable organic compounds from which liquid fossil fuels and other products.

 Natural Gases- Gaseous fossil fuels  Coal- Is a solid fossil fuel formed underground buried, Decomposed plants material.  Strip Mining- Is a process in which rock and soil are stripped from earths surface to expose the underlying materials to be mined.

 Renewable resources are resources that can be renewed.  Although many are renewable, humans often use them more quickly than we can recycle them.  Examples: Trees, water, air.

 Is any natural substances, organism, or energy that living things use.  Few natural resources are used in their unaltered state.

 Are nonrenewable energy resources that form in the earths crust.  Fossil fuels can cause a great deal of pollution.