Problem: The extensive grazing in Tibet lead to carbon and nitrogen loss, subject to desertification, while Nepal adopted a different approach to food production, putting nature and biodiversity first. Which country resourced to a less extensive grazing of the grasslands?

A: Nepal

Problem: Bob is an astrophysicist. He was pondering about the beginning of our universe. He pinpointed the time when the universe just began to exist. He labeled it as point A. To compare it with present situation of the universe he labeled the present time as point B. In point A were the galaxies closer or farther from each other than in point B?

A: closer

Problem: Matt is preparing food for a dinner party in his kitchen. His guests will be arriving shortly, so he fills up a pitcher with some water and puts it in the freezer to cool it down. He then takes a solid block of ice out of his freezer that he is planning to carve into a sculpture of some kind. Before he can start sculpting, there is a knock on his door that he must answer. Is energy currently increasing or decreasing in the pitcher of water?

A: decreasing

Problem: Panama and Ecuador are two neighboring countries. Ecuador uses nuclear fusion to produce its electricity, while Panama uses fossil fuels. Which country burns less coal?

A:
Ecuador