Earth

What is the hard, dark substance found in the ground that is mined for fuel?

More Questions from Earth
What type of speleothems found in limestone caves grow upward from the floor?
Reveal Answer
What energy does Earth give back to space?
Reveal Answer
What front results when a cold front takes the area of a warm front?
Reveal Answer
Who published the book "The Theory of the Earth" in 1795?
Reveal Answer
Which of these is another name for dirt?
Reveal Answer
What's the name for the weight of air pushing down on Earth's surface?
Reveal Answer
John Glenn first orbited the earth in what year?
Reveal Answer
Red sky in morning, sailors take what?
Reveal Answer