Question

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Select ALL the correct answers.
Which of these factors make hydrogen fuel cells a better option than burning fossil fuels?
1. Hydrogen fuel cells have a higher energy efficiency.
2. Hydrogen fuel cells create less pollution.
3. Burning fossil fuels relies on outdated devices and technology.
4. Hydrogen is the most abundant element in the universe.
5.Hydrogen fuel cells are more expensive than fossil fuels.

Answer 1

Hydrogen fuel cells have a higher energy efficiency.

Hydrogen fuel cells create less pollution.

Step-by-step explanation: