Problem: John was driving through the Mohave desert. He first added antifreeze to the water in his radiator. He noted that in his journal as case A. Unfortunately, after some time he ran out of antifreeze, and couldn't add antifreeze any more. He noted that as case B. Given the paragraph above, please answer correctly the following question: In which case the water would have higher boiling point, case A or case B?

A: case A

Problem: Samuel fills a glass cup with water and puts it in the freezer. He leaves the cup of water overnight and when he checks in the morning the cup has shattered. Confused he fills another cup with water and just leaves in on his kitchen counter. When he checks in the morning the glass is in tact. Given the paragraph above, please answer correctly the following question: Given a sealed bottle of water, will the bottle expand or contract when the water inside is frozen?

A: expand

Problem: Students learned about protozoa in school this week. Dan and Jim were interested and read more on the subject. Dan read more about predatory protozoa, while Jim read more about herbivore protozoa. Given the paragraph above, please answer correctly the following question: Which student read less about protozoa preying upon bacteria?

A: Jim

Problem: Ricky, an entomologist, is observing an ant colony in his back yard. After some observation, he discovers that all the ants travel down one of two distinct paths in order to find food to bring back to the colony. After taking some measurements, Ricky sees that path A is approximately 100 meters in length, and path B is approximately 150 meters in length. Ricky is now trying to make some scientific conclusions based on these observations. Given the paragraph above, please answer correctly the following question: If we wanted path B to be marched over less frequently, would path B need to be shorter or longer?

A:
longer