Which particle of an element determines what element it is? d. valence electron a. neutron
b. proton
c. electron d. valence electron

Identify two factors that determine the rate of stream erosion

How do the kidneys affect homeostasis

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.