Answer:
During the 1960's the disclosure of enormous gas and oil fields in Alaska accelerated the change of most coal framework to other petroleum products. During this period Usibelli Coal Mine bought the Suntrana mine and the mining activities in the Matanuska coal fields stopped activity.
C. when did the earth form? and what is it made of?
The Great Lakes were formed during the last ice age.
Answer:
Centimeters
Explanation:
They move apart 2.5 centimeters each year
