Greg is a doctor with the city hospital. Today, he is seeing two patients, patient A and patient B. Patient A maintains a high-fat diet, but patient B does not maintain a high fat diet. Greg is advising the patients how lifestyle change can improve their health. Would patient B have more or less lipid in the blood than patient A?
Ans: less

Two friends liked studying about the Earth's atmosphere. Vick studied more about the troposphere, while Frank studied more about the Greenhouse Effect. Which friend studied less about longer wavelength energy?
Ans: Vick

Two competing countries used different energy sources to produce their electricity. Turkey used mostly fossil fuels, while Greece used nuclear power. Which country caused less acid rain?
Ans: Greece

Two sisters went in for a medical examination. Mary had normal blood calcium level, but her sister Ann sadly found out that she has a condition named hypercalcaemia. Ann started a new treatment right away. Which sister had higher serum calcium?
Ans: Ann