The atom becomes a negative atom, i believe :)
The answer is B.
Which is “When the air is in the respiratory
medium, there is a greater risk that the tracheal tubes will collapse. The
cartilage in the respiratory system gives support
to the tubes against negative or positive
pressure, during respiration, hence keep
it open.
Answers; After a car is turned on, the engine becomes hot. ...
A radiator is a good example of conduction. ...
You can warm your back muscles with a heating pad.
Roasting wieners over a campfire is fun until the heat from the fire is conducted up the coat hanger to your hand.
