Please answer the following question: You are presented with the question "what does a renewable, economical source of electricity require?" and the following answer choices: - damming a river - power stations - freezing h2o - electricity - burning fossil fuels - hydrogen and oxygen - sunlight - nuclear meltdowns Now knowing that hydropower requires damming a river and hydropower is a renewable, economical source of electricity, choose the best answer.
A:
damming a river