Question

select all the correct answers. which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels arent widely available, but pure hydrogen is. fossil fuels are nonrenewable.

Explanation:

Burning fossil fuels releases greenhouse gases causing climate change (disadvantage). Fossil fuels are nonrenewable, unlike hydrogen which can be renewable-sourced (disadvantage). Other options are incorrect: fuel cells are for hydrogen, fossil fuels are widely available.

Answer:

Burning fossil fuels contributes to climate change, Fossil fuels are nonrenewable.