#1087 Mercury

Mercury is not found in many common products that we buy because it can be very dangerous. The most common products that ___ mercury are batteries, powerful outdoor lights, disinfectants and thermometers, which are used to measure our body's temperature. It can also be found in barometers, which are used to measure air pressure and ___ changes in weather, and thermostats, which ___ the temperature of buildings. Mercury can also be found in printer and photocopy toners.