2. Coal is not a green source of energy.
Answers
Answer:
Coal is a fossil fuel. It comes from the remains of plants that died about 100 to 400 million years ago. Coal is a non-renewable energy source because it takes millions of years to form.
COAL
Coal is a type of rock that is a fossil fuel.
Non renewable energy comes from sources that will run out or will not be replenished in our life times.
Most non renewable energy sources are fossil fuel; coal, petroleum, natural gas.
EXPLANATION
Coal is combustible black or brownish black- sedimentary rock with a high amount of carbon and hydro carbons. Coal is classified as non renewable energy source because it takes million of years to form. The resulting pressure and heat turned the plants into the substance we call coal.
Green source energy
Green source energy is that which comes from natural sources, such as the sun, Clean are those types which do not release pollutants into the air, and renewable energy comes from sources that are constantly being replenished, such as hydropower, wind power, or solar power.