Problem: Stephanie and Barb are two friends that belong to a sailing club. They are having a lunch at the cafe in the club and discussing their latest boat purchases. Stephanie mentions that her latest boat she has been using has cavitation. Barb takes a bite of her sandwich and remarks that the boat she is currently using doesn't have any cavitation. Whose boat will be able to be heard from farther away?

A: Stephanie

Problem: Jacob has lived in a city in Sweden for most of his life. His favorite hobbies are reading and playing videogames so he rarely goes outside. Even as a kid, he almost never played outside and instead was in his house most of the time. Martin lives in the middle of the Sahara desert in a small town. The sun almost never stops beating down on Martin during the day and it's hard to find shade where he lives. Is Martin more or less likely than Jacob to have a vitamin D deficiency?

A: more

Problem: Dan likes to experiment with different food items. Today, he wants to make curds out of milk and see how it differs from plain milk. For his experiment he collected three bottles of milk, bottle A, bottle B, and bottle C. Bottle A and bottle B milk are pasteurized, but bottle C milk is just raw milk. He kept the bottle A milk intact, but made curd out of bottle B and bottle C milk. Would bottle C milk need or not need added lactic acid bacteria to produce curd?

A: not need

Problem: Mark has a doctors appointment today for a routine checkup. When he gets his blood pressure taken the doctor looks a bit worried. He tells Mark that his blood pressure is 141/92 at resting. Which is Mark's systolic blood pressure, 141 or 92?

A:
141