What moves electrons in a circuit? a. water
b. electrical forces
c. nuclear forces
d. two of the above
e, none of the above

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Who was the first scientist to measure speed as distance over time?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system