Which are uses of electromagnetic waves? Check all that apply. cooking foods
insulating buildings
using heat lamps
transmitting radio signals
using medical imaging
lighting rooms
cooling refrigerators

it's filtration, but this is an assumption so my apologies if i got this

plasma is the state of matter where the substance is ionized and has no definite shape or volume. the fact of being ionized makes the substance a good electrical conductor.

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.