If electrical energy turns into vibrations, then electrical energy is transmitted into what for sound? Answer choices: - vibrations - motion - heat - sensory neurons - waves - light - Firecrackers - cold
vibrations

If leaves are used to store water, then what are leaves used to store? Answer choices: - wind - fats - water - sunlight - lipids - glucose - soil - energy
water

If spikes come from tidal energy, then what are used to produce current? Answer choices: - tube - waves - coal - streams - copper - rivers - engines - fibers
waves