what are renewable and nonrenewable resources ?

Energy has various forms that can be found in our world, and this forms of energy have so called renewable and nonrenewable resources.
We often hear about renewable and nonrenewable resources of energy, but we didn't ask 
our selves this question what are renewable and nonrenewable resources ?
before we know what are renewable and nonrenewable resources we must know what is energy  
Energy: is that cause the movement of objects and thus energy can be defined as the ability to do 
work and  energy  resources  are the  way to have this energy

 now, we can answer the question of what are renewable and nonrenewable resources ?

Renewable and nonrenewable resources is the classification of ways to obtain energy where,

Renewable resources of energy  

they are natural resources permanent and non-depleted and are available in nature, whether limited or unlimited, but renewed constantly a clean does not produce environmental contamination and the most important of these sources is the solar energy.

Renewable resources of energy is the energy obtained from resources that are essentially inexhaustible such as sun and wind. Examples of renewable resources include wind power, solar power, geothermal energy, tidal power, bio-energy.

Nonrenewable resources of energy

they are sources that will expire over a certain time for frequent use and are available in nature with limited quantities, they include fossil fuels such as oil, gas and coal all species that formed over the years in the ground.