Problem: 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. Which patient would more likely gain weight, patient A or patient B?

A: patient A

Problem: Two friends were into natural sciences. Tom was more into Geology, while Rick studied Ecology. Which student read more about nonliving components of the habitat?

A: Rick

Problem: Different societies take care of their young differently. It often boils down to economic activities. For example, take two locations, location A and location B. Location A is a large city where life is hectic. Children are usually raised here according to classical attachment. On the other hand, location B is in the countryside where people get to see each other more often. Location B is essentially an alloparenting community. Would a child have a single or multiple caregives in location B?

A: multiple

Problem: China used alternative fuels to generate electricity, while Mongolia burned lots of fossil fuels. There were frequent debates between the two countries on this matter. Which country released less carbon dioxide into the atmosphere?

A:
China