How Is Coal Formed?
How Is Coal Formed? Coal comes from plants that have been buried in the earth so long, they turned hard and black. Millions of years ago, much of the earth was swampy...
Read MoreHow Is Coal Formed? Coal comes from plants that have been buried in the earth so long, they turned hard and black. Millions of years ago, much of the earth was swampy...
Read MoreDeer are the only animals with antlers. Antlers are solid bone growing from the foreheads of male deer and both male and female reindeer. The male deer...
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