Muscovite breaks along a single plane to form flat sheets this tendency to break along smooth plane is called

The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information

Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up