What is a difference between week 1 and week 3 of the moon’s cycle?

O Week 1 starts with a quarter moon, while week 3 starts with a full moon.
O Week 1 starts with a full moon, while week 3 starts with a new moon.
O Week 1 starts with a new moon, while week 3 starts with a full moon.
O Week 1 starts with a new moon, while week 3 starts with a quarter moon.

The correct answer is: O Week 1 starts with a new moon, while week 3 starts with a full moon.