Given the fact that: Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D. Answer the question: African Americans have darker skin than other Americans. Researchers were not surprised to discover therefore, that vitamin D insufficiency among African Americans is more prevalent or less prevalent than among other Americans?
more prevalent

Given the fact that: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time. Answer the question: Andrew was showing Tim his underpowered phone, one day. The boys decided they wanted to go to a bookstore but needed directions, they both looked up directions on their phone, whose phone found directions faster Andrew or Tim?
Tim

Q: Given the fact that: The thinner the wire, the more resistance it offers. Answer the question: Robin is using aluminum foil to make small cylinders. A foil cylinder of diameter 1cm likely has greater or less resistance than a foil cylinder of diameter 10cm?
A: greater

Question: Given the fact that: As blood glucose levels decrease, less insulin is produced. Answer the question: John wanted to lose weight so he skipped his normal routine of eating a sugary donut in the morning. As a result, he felt dizzy as his blood glucose level dropped. Did the amount of insulin in his blood likely increase or decrease?
Answer: decrease

*Question*
Given the fact that: A sunscreen with a higher SPF value protects the skin longer. Answer the question: A sunscreen with an SPF value of 30 will protect skin more or less than a sunscreen with an SPF value of 15?
**Answer**
more

Given the fact that: Bigger stars produce more energy, so their surfaces are hotter. Answer the question: Jan is comparing stars, specifically a small star and the larger Sun. Given the size of each, Jan can tell that the Sun puts out heat that is lesser or greater?
lesser