___________ creates the energy that can be captured and turned

creates-the-energy-that-can-be-captured-and-turned

___________ creates the energy that can be captured and turned into the electricity.

A. Stagnant water

B. Flowing water

C. Tank water

D. Sea water

This question was addressed to me in an international level competition.

I want to ask this question from Hydro Power in division Non Conventional Energy Sources and Storage Devices of Applied Chemistry

Right option is B. Flowing water

To elaborate: Any water that is flowing creates the energy that can be captured and turned into electricity. The river water also creates the energy because it flows.