Q: Tim and Jeb were both studying chemical engineering. At a certain point in time, Jeb started studying chemicals that are not harmful for the environment, while Tim started learning about chemicals that were once used, but now are known to be harmful for the environment. Which student studied less about gasoline?
A: Jeb

Q: Mary had two twin daughters, Mimi and Coco. Coco was healthy, but Mimi had hemophilia. Mimi took frequent trips to the doctor's office. Which girl had no ability to control blood clotting?
A: Mimi

Q: Two teams of researches studied Antarctica's climate. The team studied two different regions. The US team studied East Antarctica, while the Swiss team studied West Antarctica. Which team learned about a region that shows stronger warming in spring?
A: Swiss

Q: The water level in Large Lake was high in March, 3 feet higher in April, and 7 feet higher still in May. It dropped to a much lower level in September, October and November, when they released a significant portion of the water as a yearly chore. When was the water level higher, in March or in May?
A:
in May