Good Riddles

Question: I am first in earth A second in heaven I appear twice in a week But you can only see me once in a year You can also see me in the middle of the sea What am I?

Question: Romeo and Juliet are dead. The only evidence of their death is in their house, and it is some shattered glass and a puddle of water. The only furniture in the house is a bed, a dresser and a bookshelf. The house is next to a railroad track. Their only pet was a cat. How did they die?

Question: How to talk but not talk?

Question: What kills a lot of people but is harmless?

Question: ***What can so easily be broken and could never be spoken?***