A large automotive plant is planning to cover their facility with solar panels and also install wind turbines to take advantage of fairly persistent winds. At full operation (sunny windy day), these will produce more power than is instantaneously needed by the plant. Which of the following is NOT an effective way to store power for use at other times (such as a calm night)? Question 3Answer a. Lift water or large weights to a height b. Charge large battery systems c. Generate and store hydrogen from water d. Generate, compress, and store steam e. Spin a flywheel