Its past, "have experienced" meaning they've already been through it
Answer:
Macbeth fears Banquo because the witches prophecy said that Banqous children would be kings, not Macbeth's. Macbeth didn't want to risk his security for the crown to pass to someone else's descendant instead of his.
Explanation:
It's not clear where the paragraph break is between one and two, but I might be able to help you. The last option is incorrect, because all of the text relates which is why it's hard to determine where the paragraph break might be. Paragraph one does not offer a solution as it isn't until the end we know the cause of the dark day. While both paragraphs have at least one fact, paragraph one seemingly is full of guesses as to the cause of the dark day. This leaves the only correct option as the first one. The researchers decided to investigate the cause of the dark day, and then the results are reported.
Deer and Vat (if your talking about the spare ones you have)
A. because It would be completely unexpected for someone to marry someone that they are not in love with.