Help pls you don't have to answer all

Answer:
5. The 2 features we need to harness the energy from tides are when tides come in and when tides come out.
6. Tidal energy is the most predictable type of renewable energy is because we know the exact locations of the sun and moon all year round.
Answer:
8.what is kinetic energy
Explanation:
energy and object has due to its motion