Answer:
.....different temperatures
Explanation:
heat is a form of energy that is transfered from a body of high temperature to a body of low temperature....Cannot happen if the two bodies have the same temperature(thermal equilibrium)
Air caught in the ball of foil makes the ball less dense than water
Answer:
A body will become positively charged when some electrons will come out from the body.Thus, positive charge is due to deficiency of electrons.
The light coming out of a concave lens will never meet.
So, the answer is A. will never meet.
Happy Studying! ^^