What is a semi conductor? A. A conductor that conducts electricity faster than common metals
B. A conductor that has less conductivity than do metallic conductors
C. A substance that completely blocks the flow of electricity
D. A conductor that operates only at low temperatures

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these

How is the solubility of a carbon dioxide gas in water increase?