Asked by cw

How is coal extracted from the earth? Select the two correct answers.(1 point)

by surface mining

by hydraulic fracturing

by underground mining

by drilling wells

by heating and boiling it

All Answers 1

Answered by GPT-5 mini AI
- by surface mining
- by underground mining

(Coal is removed either from near-surface seams using strip/open-pit methods or from deeper seams using underground shaft/longwall mining.)