In how many years will global coal supplies most likely be depleted,depending on rates of consumption?
A) about 10 to 20 years
B) about 20 to 40 years
C) about 100 to 200 years
D) about 200 to 1000 years
Correct Answer:
Verified
Q20: What is net energy?
A) It is the total
Q21: Which of the following is/are liquefied petroleum
Q22: How does natural gas compare to coal?
A) Natural
Q23: What is characteristic of both oil shale
Q24: What percentage of the world's electricity is
Q26: Which of the following is NOT contained
Q27: Which list shows the stages of coal
Q28: Which pair of countries has the largest
Q29: What comprises 50 to 90% of the
Q30: Why is oil the world's main source
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