Answer:
The Earth's most important non-renewable energy resource is Fossil fuels, which include coal, oil, and natural gas.
If you search up your question on Brainly, both choices A) Coal and C) natural gas got bad votes. So that leaves us with B) Oil.
I hope this helps somehow. :>
Yes, the capital of a state or country is that state/country's capital city. Santiago is Chile's capital city. For example, the capital of the United States is Washington D.C., which is a city.