Which statement best defines why sound waves are mechanical waves?

a. they require a medium in which to travel
b. they can travel through a vaccum
c. they can travel only through solids
d. they can travel through gases

At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.