What is the volume of this sphere? 8π cm³ 16π cm³ 27π cm³ 36π cm³.

What happens to the composition of an atom to cause it to become positively or negatively charged?

Iconic memory is used when a loud thunderclap occurs during a storm. select the best answer from the choices provided t f

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