they might become dry and lifeless
explanation: Because if you postpone your dreams and you don't work to acheive them as soon as you think of them, then they will become lifeless, because you aren't making them a reality.
Answer:
The untimely death, possibly the murder of his father, the King of Denmark.
I could be the letter C or A
Complete sentence. The comma is used the right way so it wouldnt be a comma splice, and if you replaced the comma with a period it would be wrong, so not a run on. That is why it is a complete sentence