Problem: A recent study compared the amount of pollution in the air of two towns, Kaya and Arcfield. Arcfield is mostly powered by solar panels. Kaya on the other hand uses fossil fuels to power most of the town. Will switching to solar panels increase or decrease the amount of pollution in Kaya?

A: decrease

Problem: Gary, a high school student, is supposed to be studying two different cells under a microscope during his biology class. Gary doesn't like biology class at all though and can't find the motivation to look at the cells in detail. In his homework where students are supposed to write what they observed, Gary simply wrote down the first thing he saw under the microscope which was that Cell A is larger than cell B. It won't get him a great grade, but Gary is hoping it will at least get him a pass on the assignment. Which cell has more protrusions?

A: Cell A

Problem: Brad studied ancient human settlements from 100,000 years ago. His colleague Phil studied human settlement from 8-10,000 years ago. They were both fascinated by their findings. Which colleague studied that more people settled down in cities?

A: Phil

Problem: Margaret is a mother currently in the middle adulthood stage of her life. Margaret's daughter, Vanessa, hasn't reached middle adulthood yet, and is still a teenager. Both of them enjoy reading beauty and fashion magazines so they can find age-appropriate tips on how to improve their look. Who is less likely to begin developing wrinkles?

A:
Vanessa