How is the moon dependent on the sun?

 The moon depends on the sun because that is where the moon gets its light from :)

The existence of the moon doesn't depend on the sun, however Moon light depends on the sun as sunlight incident on moon and reflected the earth

The statement is correct because if there is a bunch of noise around you and you are focusing on the noise you will not comprehend your questions and lessons nor will you be able to get the proportion information you need and you will likely spend many more hours on work than normal than if you could ignore the sound