Saved Bookmarks
| 1. |
What is known as coalspam : 10 report answer |
|
Answer» Coal is a combustible black or brownish-black sedimentary rock with a HIGH amount of carbon and HYDROCARBONS. Coal is classified as a nonrenewable ENERGY source because it takes millions of years to FORM. Coal contains the energy stored by plants that lived HUNDREDS of millions of years ago in swampy forests. |
|