Comparison between heating appliances and refrigerator?

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

What happens to the temperature of a substance when the average kinetic energy of its particles increases?

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion