2. For Steps 3, 4, and 5 of the water treatment process, describe the property of the substances in the water that is used to remove each substance from the water. h

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

Select the three ways that the parallel-plate capacitor differs from a car battery.