What are three types of fossil fuels? explain why they are nonrenewable.

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?