Question

Select all the correct answers.
Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells?
1- Burning fossil fuels contributes to climate change.
2-Burning fossil fuels takes place inside expensive fuel cells.
3-Fossil fuels aren’t widely available, but pure hydrogen is.
4-Fossil fuels are nonrenewable.

Answer 1

Explanation:

fossil fuels are non renewable.

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Answer 2

Answer:1,3 and 4

Explanation:

Fossil fules are non renewable and exhaustible resources they are less easily available compared to hydrogen (in firm of gasoline) .They produce smoke and pollution thus are a factor of climate change.

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