Problem: Ben and Andy studied minerals and micro-nutrients. Ben studied more about magnesium, zinc and molybdenum, while his buddy Andy studied about sodium and potassium. Which person studied more about ions moving from an area of lower to higher concentration?

A: Andy

Problem: Bob is an astrophysicist. He was pondering about the beginning of our universe. He pinpointed the time when the universe just began to exist. He labeled it as point A. To compare it with present situation of the universe he labeled the present time as point B. In which time the other galaxies would seem dimmer, point A or point B?

A: point B

Problem: Jessica and Milly are two politicians currently in the running for governor of their city. They are in the process of having a debate that is being broadcast on local television. Mike, an avid environmentalist who is trying to decide who to vote for, has been watching the entire debate. He feels the most important issue when voting is saving the planet and the animals on it. The question that was just asked by the moderator was "what do you think should be done with the Earth's atmosphere?" Jessica responds that she thinks we should emit more anthropogenic gases. She believes that will lead to the best outcome for the world. Milly states that we need to decrease the amount of carbon dioxide and other gases in the atmosphere. Which candidate will Mike vote for?

A: Milly

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. In case A would the engine be hotter or cooler than in case B?

A:
cooler