Answer:
It isn't raining outside.
Horses, Cattle and Pigs, were animals brought to the New World and they helped the meat and shipping industry in the New World.
Corn, potatoes, tomatoes, and peppers are just a few of the plants that were introduced to the new world. They helped with the agricultural district.
It means too much busy life
An appositive phrase renames the subject which in this case is Casper, so the appositive phrase is B. a foreign exchange student
I think the answer is C. Good luck!