Problem: Beijing recently opened several new coal-fired power plants over the last few months. In Montreal, there have been large reductions in sulfur oxides produced by manufacturing plants after a recent referendum. Aquatic life in the freshwater habitats of which area is more at risk of dying?

A: Beijing

Problem: Two women go into a doctor's office for a routine physical. As is usual for a physical, the doctor takes a blood sample from both women to analyze for any issues. Upon looking at the blood, the doctor notices that Jan's platelet count is low, but other than that her blood is fine. Marcia's platelet count is not low and she has no other issues. Which woman is more likely to have hemophilia?

A: Jan

Problem: Two groups of scientists examined two fires. Group A put a large log on it, and group B made a fire with small twigs. They wanted to see which fire would last longer. Which group had a fire with wood that provoked a less intense reaction?

A: Group A

Problem: Blue island and Red island were two big sister islands situated 100 miles from each other. People on Blue island used gas powered vehicles, while people on Red island used electrical vehicles. The people on Blue island presented more respiratory problems. Which island had more volatile hydrocarbons into the atmosphere?

A:
Blue