energy source can be more easily replenished

is created using a wind turbine, a device that channels the power of the wind to generate electricity

 is a renewable source of energy that generates power by using a dam or diversion structure to alter the natural flow of a river

Energy that cannot be easily replenished

Energy That formed millions of years ago from dead plants and animals

is a sedimentary deposit composed predominantly of carbon that is readily combustible

A viscous liquid derived from petroleum, especially for use as a fuel or lubricant

is an odorless, gaseous mixture of hydrocarbons—predominantly made up of methane (CH4). It accounts for about 30% of the energy used in the United States.

The main source of energy we use today.