Explain proximity sensors please

Proximity sensors detect the presence or absence of objects using electromagnetic fields, light, and sound. There are many types, each suited to specific applications and environments. Proximity sensors detect the presence or absence of objects using electromagnetic fields, light, and sound.
Good luck my friend!!

Because jennifer lopez is queen and we worship her! lol! i honestly don’t know the answer. sorry

The move over law is for safety of yourself and the officer and the ones pulled over, as a driver pulling over the officer control the situation with the pulled over person.

if it is an ambulance or fire truck with their sirens on it means they are having to get to an emergency so for the others safety for the emergency to save lives, pulling over lets them get through.

i hope this : )