Question

Which detail is least important to add to a paragraph about how a steam

engine works?

A. Steam powered is made by burning some kind of fuel.

B.a boiler holds the water to be heated to make steam.

C. The steam mix of the engine run.

D the steam has been used for power for many years.

Answer 1

the correct answer is D. the steam has been used for power for many years.

reason:

detail that steam has been used for power for many years is the least important to add to a paragraph about how a steam engine works because it does not provide any specific information related to the process of how a steam engine works.