Question

1) metals and coal are_____ resources

2) sunlight is a renewable resource that ______(can/ cannot) be exhausted

3) coal is a non renewable resource that_____( can/ cannot )be recycled

4) coal, natural gas and petroleum are together known as______ fuels

5) _____ _____and_____ are higher grades of coal than lignite

6) a ______substance that can be burnt to obtain energy

7) the process of separating petroleum into its fraction is called________

8) natural gas consists mainly of_______​

Answer 1

1. Exhaustable

2. Cannot

3. Cannot

4. Fossil fuels

5. Sorry, no opinion

6. Liquid fuels

7. Fractional distilattions

8. Methane

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Answer 2

1.)mineral

2.)cannot

3.) cannot

4.) fossil

5.) bituminous coal and anthracite

6.)liquid fuels

7.) refining

8.)methane