Question: Which of the following is most accurate?
Choices:
text: humans can build bombs to harness hydropower
label: A
text: dams are a means of reducing reliance on oil
label: B
text: humans can build skyscapers to harness hydropower
label: C
text: humans cannot build dams to harness hydropower
label: D
Answer: B
Fact: hydropower is when falling water produces electricity