Carson used to really enjoy lime sherbert, and when he was in mexico he tried frozen lime margaritas. after his fourth margarita, carson became extremely ill. now he finds that even the sight of lime sherbert in a bowl can make him feel queasy. in this example the unconditioned response is

The unconditioned response is the queasiness that Carson feels whenever he sees lime sherbet. It is because an unconditioned response occurs naturally after the person has been associated with an unconditioned stimulus that triggers an unconditioned response to occur by which the reaction occurs naturally.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

i believe your answer is mountains.