The phase of the moon you see depends on : a- where you are on the earth's surface b- how much of the sunlit side of the moon faces earth c- how much of the moons surface is lit by the sun d- whether or not an eclipse is occurring need asap

B, as the moons' phase can be seen due to the earths' rotation. Depending on the light from the sun, it reflects onto the earth, causing us to see the phase in the reflected light.

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.