Two neighboring habitable planets from the same solar system, planet U and planet N, had Earth-like atmospheres. The inhabitants of planet U destroyed the ozone layer by their actions, while their neighboring planet N didn't. Given the paragraph above, please answer correctly the following question: Which planet had inhabitants that used fewer aerosol coolants?
Ans: planet N

Mark and Jordan want to take a trip together. Mark wants to go mountain climbing while Jordan wants to go to a concert out of state. Jordan sometimes has a hard time breathing as well so they take this into consideration while making the plans for their trip. Given the paragraph above, please answer correctly the following question: Which location should Jordan and Mark go to considering Jordan's health, the concert or the mountain?
Ans: concert

Nate and Andy were two zoologists. They have been studying the characteristics of nocturnal and diurnal animals. Andy studied nocturnal animals, while Nate studied diurnal animals. Given the paragraph above, please answer correctly the following question: Which zoologist learned less about kangaroo rats?
Ans: Nate

There are two cells inside a Petri dish in a laboratory, cell X and cell Z. These cells are from the same organism, but have different characteristics. For example, cell Z is smaller than cell X. Furthermore, scientists studying the two cells have recorded that cell X is more metabolically active than cell Z. Given the paragraph above, please answer correctly the following question: Will cell X have a larger or smaller surface area to transport materials?
Ans: larger