Renewable energy is exactly what it says -- it's renewable. Meaning, you can continue to reuse it or make more of it in a never ending cycles. Examples of a renewable energy could be trees (wood). You can keep growing trees and harvesting them.
Fossil fuels are things like oil or petroleum, they cannot be "grown" again, and are a one-time use.
Renewable energy has more benefits then that of fossil fuels because you can reuse renewable energy and keep the never-ending circle of energy going, unlike fossil fuels which can run out.
Answer;
Simple diffusion does not require energy.
Explanation;
Passive transport is a type of transport that does not require energy since it lets diffusion move molecules only down their concentration gradient.
Simple diffusion, osmosis, and facilitated diffusion are examples of passive transport.
Answer:Breaks down food molecules to release stored energy
Explanation:
Answer: the number of people per unit of area, usually quoted per square kilometer or square mile (which may include or exclude, for example, areas of water or glaciers).
Explanation: