Describe how a mold growing on an orange obtains its food.

As the fungal hyphae expand into the orange, they produce enzymes. These enzymes break down different chemicals in the orange. 

When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.