Astronauts on a spaceship in outer space notice their instruments detect energy from the sun. Which of the following provides evidence that the sun’s energy is moving through outer space?.

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

Which food would provide you with the most calcium?

Which of the following does the reading test of the sat ask you to do ?