Problem: Ants are one of the most interesting creatures on earth. David wants to study ants for his biology project. He is specifically interested in ant species Acromyrmex heyeri. This semester he studied this ant in Americas. First day when he studied the ants the temperature was 10 degree Centigrade. In the second day of his study the temperature rose to 25 degree Centigrade. In the third day of his study the air humidity was high. But in the fourth day of his study air humidity dropped. David wants to continue his study of this same ant species in Asia next semester. Which day David woud see less openings in the nest thatch, first day or second day?

A: first day

Problem: Lawmakers were debating the pros and cons of Keystone XL Pipeline. One group of lawmakers proposed that the pipeline be constructed. They put their proposal in proposal A. The rival group of lawmakers proposed that the pipeline should not be build. They put their proposal in proposal B. Lawmakers would now have to choose one of the proposals. Which proposal would not benefit agriculture, proposal A or proposal B?

A: proposal A

Problem: Two oceans have divergent plate boundaries at the bottom of their floor. The Arctic ocean has a single dormant divergent plate, while the Pacific ocean has seven diverging tectonic plates under its waters. Which ocean experiences less volcanism?

A: Arctic

Problem: Hammond and Trip were two cities on the Eastern and Western shores of lake Michigan. They both get lots of snow during winter, but the lake effect snow which adds feet of snow to the yearly total, lingers much longer on the eastern side of the lake. Which city has more problems with low visibility because of lake-effect snow?

A:
Hammond