Which type of energy is involved in the operation of simple machines? A. chemical energy B. electrical energy C. mechanical energy D. thermal energy

What is the function of the slip rings in an electric generator? O keeping current flowing in one direction stopping current from leaving the generator producing a path for current to flow preventing the armature from spinning

Scientists believe that there are three genes that contribute to skin color in humans. Which of these best describes the inheritance pattern of skin color?

Physical science was once defined as "the science of the nonliving world." Explain why that definition is no longer sufficient.

How often is water added to the Earth system?

Draw the position vs. time graph for a person walking at a constant speed of 1m/s for 10 seconds. On the same axes, draw graph for a person running at a constant speed of 4m/s

What are factors that would change the position of the wave lengths measured? (There are more than one answer.) a) size of the tube b) tuning fork frequency c) distance between the tuning fork and tube d) room temperature e) area of the tube

This particle is found in the nucleus and adds mass to the nucleus, but changing its number does not change what the element is. This particle is the A. proton. B. photon. C. neutron. D. electron.

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?