Question

question 8 of 10
which of these is a disadvantage of hydrogen fuel?
a. it is a continually available energy source.
b. it works in efficient, clean engines.
c. it is useful for generating electricity.
d. it is expensive to produce and transport.

Explanation:

Hydrogen fuel has several characteristics. Option A is an advantage as a continuously available energy source is beneficial. Option B is incorrect as hydrogen - powered engines are efficient. Option C is also an advantage as it can be used for electricity generation. Option D, being expensive to produce and transport, is a clear disadvantage.

Answer:

D. It is expensive to produce and transport.