Question

heater is placed on ground and not near ceiling. Why?

Answer 1

HEATER IS PLACED ON GROUND NOT NEAR THE CEILING BECAUSE WARM AIR IS HEAVIER THAN COLD AIR.WARM AIR GETS A PATH TO SPREAD IN WHOLE ROOM

PLZ MARK AS BRAINLIEST ANSWER

Answer 2

this is because the cool air is at bottom of the room the heater heats the downside cool air and makes it warm
the warm air rises up and the comparitevely cool air comes down
this process repeats itself
thus the room become warm




the same reason is for placing ac at the top of the room