How do u spell assignment :(

What is the name of the device that senses the current flowing,tripping the circut,and cutting off the electricity

Which action can lead to intentional injuries? a. burning your in hot water b. avoiding illegal drugs c. getting in a bike crash d. being hurt in a robbery (! this is for apex if any can relate : ( .)

If you are having a hard time lifting something, you should arch your back. a. true b. false