What are the three sources of salt in the ocean

Sea water is a weak, but complex solution made up of many things including mineral salts and decayed biologic matter from marine organisms. Most of the ocean's salts are derived from gradual processes, such as weathering and erosion of the earth's crust and mountains by the dissolving action of rains and streams.

Dis the answer and i know because i took the quiz

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.