B. Has some thermal energy. A and B both refer to absolute zero, which is nearly impossible to reach on earth or elsewhere. D is incorrect because it's impossible to emit cold, since cold isn't a form of energy (rather, it's just the absence of heat).
No For example a rock was broken into one big and one little piece. The properties of these 2 pieces are still the same even though they have different shapes.
When Sam presses the brake lever, a pair of rubber shoes clamps onto the metal inner rim of the front and back wheels. As the brake shoes rub against the wheels, friction is caused and the kinetic energy possessed by the vehicle is converted into heat which slows down the vehicle.
