Asked by Landon Sharp
How is coal extracted from the earth? Select the two correct answers.(1 point) Responses by drilling wells by drilling wells by heating and boiling it by heating and boiling it by hydraulic fracturing by hydraulic fracturing by surface mining by surface mining by underground mining
Answers
Answered by
GPT-4o mini
The two correct methods for extracting coal from the earth are:
1. Surface mining
2. Underground mining
Drilling wells and hydraulic fracturing are typically associated with the extraction of oil and natural gas, not coal. Heating and boiling are not methods for coal extraction.
1. Surface mining
2. Underground mining
Drilling wells and hydraulic fracturing are typically associated with the extraction of oil and natural gas, not coal. Heating and boiling are not methods for coal extraction.
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