EVERYDAY SCIENCE

Detailed explanation-1: -Resources are characterized as renewable or nonrenewable; a renewable resource can replenish itself at the rate it is used, while a nonrenewable resource has a limited supply. Renewable resources include timber, wind, and solar while nonrenewable resources include coal and natural gas.

Detailed explanation-2: -There are four major types of nonrenewable resources: oil, natural gas, coal, and nuclear energy.

Detailed explanation-3: -For example, biomass burns organic materials to create energy and is renewable, but that energy production releases greenhouse gases which can be harmful to the environment. Therefore, biomass is a renewable resource that can be considered unsustainable for causing some harmful impacts on the planet.

Detailed explanation-4: -Renewable energy resources include solar, water, wind, biomass, and geothermal power. These resources are usually replaced at the same rate that we use them. Scientists know that the Sun will continue to shine for billions of years. So we can use the solar energy without it ever running out.