Elements in the same group have… A. A wide range of chemical properties
B. The same atomic radius
C. Number of electrons in its outer shell.
D. Same number of protons
E. The same number of electron shells.

Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy