The electric output of a power plant is 710 MW . Cooling water flows through the power plant at the rate 1.50 ×108L/hr. The cooling water enters the plant at 12.0 ∘C and exits at 30.0 ∘C . What is the power plant's thermal efficiency?

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

conservation of mass

mass before something happens = mass afterwards

elctricity and magnet is conversion to it