The answer is, "Friar Laurence is assuring the Capulets that Juliet is happy in heaven."
If you look more into the full excerpt, you can see that Friar Laurence's whole monologue was meant to comfort the Capulet's regarding Juliet's death so that they would stop crying. He continues to reassure them that Juliet is in a better place in heaven and that they have no reason to continue crying.
It explains the origin of echoes.
Answer: Strong guitar riffs
Explanation:
Answer: We can see the appearance of the ghost as a sign of Macbeth's conscience working. Although on the surface Macbeth is happy to kill, deep down he is troubled by it. The appearance of the ghost is evidence of this conscience.