Problem: People from two villages got infected with viruses and got sick. People from Hill village got infected with the flu, while people in Valley village got infected with hepatitis B. Which village experienced more instances of vomiting?

A: Valley

Problem: Moon and Earth were two sister planets, both inhabited by humans. People of Earth released large quantities of greenhouse gases into the atmosphere over the last decades, while Moon people were taking good care of their planet and the environment. Which planet experienced the heating effect of greenhouse gases?

A: Earth

Problem: Two men go into the doctor's office for a checkup. Stepping on the scale, the doctor weighs each of them. Tom has an average and healthy weight. However, Joe has a weight that indicates he is obese. Who has a higher BMI?

A: Joe

Problem: Ned learned about reactions at a higher temperature for his physics class, while Paul had to learn about reactions at lower temperatures. Which person studied about a faster reaction rate?

A:
Ned