Asked by jiu vg

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

by underground mining

by drilling wells

by heating and boiling it

by hydraulic fracturing

by surface mining

All Answers 1

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

(Drilling wells, heating/boiling, and hydraulic fracturing are methods used for oil, gas, or other resources, not for extracting coal.)