What are three situations in using renewable energy?

Any use of water for energy. Hydroelectric power plants. Water wheels turning gristmills. Water wheels turning other plant equipment, like saw blades for a sawmill.

Any uses of wood. Burning wood for heat. Making paper from wood pulp. Building a house.

Solar cells for electricity. Sunlight for heat. Solar lighting of buildings.

That is 9 --- pick 3 that you like.