Problem: Keith is an environmental scientist. He was studying the loss of ozone layer and its effect on different species. His data showed that in the beginning or twentieth century there were hardly any loss of ozone layer. He categorized that time period as time A. Further inquiry revealed that things didn't go well at the end of twentieth century - when there were severe loss of ozone layer. He categorized that time as time B. Which period would see less skin cancer, time A or time B?

A: time A

Problem: Scientists studied two groups of plants. Group F had plants with flowers, group W had plants that fertilize over wind- spread pollen. Flowering plants were more efficient. Which group of plants attracts fewer insects?

A: group W

Problem: The city of Riga is situated at 56 degrees N, and its sister city Kobe, Japan is situated at 34 degrees N, on a different circle of latitude. Which city is situated closer to the South Pole?

A: Kobe

Problem: Team A and Team B were two teams of students studying zoology. Team A learned about reptiles, while Team B studied more about amphibians. Which team learned more about turtles?

A:
Team A