Anuclear power plant, a hydroelectric dam, a coal burning power plant have what in common? a) they are all sources of fuel. b) they are all sources of electricity. c) they are all sources of natural resources. d) they all turn solar energy in to chemical energy.

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d