Turbines. Invented by Charles Parsons. I know I'm in middle school, but we are just learning about hydroelectric power.
Alguien me puede ayudar con una pregunta?
Each cell is alive even if it is part of a multi celled body, and all living organisms consist of one or more cells. Also, cells reproduce by dividing so it follows that all existing cells must have arisen by division of other cells. As a cell divides it passes it hereditary material- its DNA- to offspring.
Answer: D) Building cars that give off less pollution!
Hope this helps!! :D