Although the moon revolves around earth only one side of the moon is visible from earth this is because

Answer 1

of a phenomenon called tidal locking. Tidal locking occurs when the gravitational forces between two orbiting bodies cause one side of the smaller body to always face the larger body. In the case of the moon and Earth, the gravitational forces have caused the moon to rotate on its axis at the same rate as it revolves around Earth, meaning that one side of the moon is always facing Earth while the other side remains hidden.