Out of the factors listed, cold temperature decreases the rate of a chemical reaction within cells. This will make the correct answer D.
Fan is electircal energy
Lamp's orignal energy source is electrical energy.
I think it's B an injury to the central nervous system.
Answer:
Well, Earth is the same way! Earth is made up of several different layers, each of which has unique properties. Both parts of the core are made up of mostly iron and some nickel. The difference is that in the inner core, those minerals are solid and in the outer core, they're liquid.