In reality, energy conservation from burning fuel is never 100% efficient. Significant loss of energy due to heating occurs. If the generator were only 20% effective, how much energy in joules would be converted to electrical energy and how much would be lost to heat

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

How will the emission of an alpha particle affect the atomic number of an atom

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.