Problem: Mike has to learn more about the periodic table for his chemistry exam. To make things easier for him he chose two elements from the table, element A and element B. Element A has higher electronegativity and element B has lower eletronegativity. David found it easier to learn about elements by comparing their properties. Which element would have more protons in the nucleus, element A or element B?

A: element A

Problem: Two brothers went to the doctor for their yearly examination. Liam found out he has high cholesterol, while Rudy found out his triglycerides and cholesterol are within normal parameters. Which brother was more at risk for heart disease?

A: Liam

Problem: Organisms are constantly exposed to different kinds of radiations. Keith was studying the effect of radiations on a organism in two different locations, place A and place B. He noticed that in place A the the organism had beneficial mutation due to the radiation. On the other hand, in place B, the organism didn't have beneficial mutation. Which place would be more suitable for evolution, place A or place B?

A: place A

Problem: Two friends met after 20 years and had a beer together. Vlad was a geologist and studied earthquakes. Mort was a pedologist and studied soils. They had some interesting conversations that night. Which friend studied more about seismic waves bending?

A:
Vlad