Question

your friend claims that the moons repeated orbit around the earth causes the cycle of the moons phases

Answer 1

Answer is True your friend is correct

Reason

The moon phases are produced due to the change of the relative positions of the Earth, the Moon and the Sun.
The part of the lunar surface lit up by the Sun that we can see from the Earth, is changing throughout a cycle that is repeated periodically every 29 days, 12 hours, 43 minutes and 12 seconds.

Answer 2

Answer: A lunar phase is the shape of the directly sunlit portion of the Moon as viewed from Earth. It is a common misconception that the Earth’s shadow causes the phases of the Moon – but that’s totally wrong. Just like the Earth, the moon is only half-lit by the Sun at any time

Step-by-step explanation: