Question

energy from the rise and fall of tides. This causes movement of
, which create usable energy.

Answer 1

Fill: "water."

Rewritten sentence: "Tidal energy is energy from the rise and fall of tides. This causes movement of water, which moves turbines to generate usable electricity."

Brief note: tidal power is captured by tidal barrages, tidal-stream turbines, or tidal lagoons; it’s predictable and renewable but site-limited and can affect marine ecosystems.