Answer:
im going with the word "current"
Explanation:
Hey there! Your answer should be, a police officer, because they help stop fights, crime, shootings, and more, a firefighter, helps in fighting fires, saving people from burning homes, and you know the rest. And there is so many more people who help others. I really hope this helped! Your fellow Brainly user, GalaxyGamingKitty.
The nasal cannula refers to the "mask" or nasal tubes used to provide supplemental Oxygen to a patient.
