All of the lab stations in a science classroom have electrical outlets in themWhich design would be best if there were an emergency where the electricity needed to be shut off to the stations ?

What type of reaction is illustrated? 2c12o5 = 2cl2 + 502

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Which terms are used to identify pure substances