Problem: Two teams of meteorologists studied environmental changes in Antarctica. Team A studied East Antarctica, while team B studied West Antarctica. They published their findings in a peer reviewed publication. Which team didn't observe appreciable melting at the surface?

A: team B

Problem: Gary researched two old human settlements. Village A was smaller, it existed about 12,000 years ago. He also studied village B, which existed about 6,000 years ago. The village was much bigger and better developed. Which village had a smaller food supply available?

A: village B

Problem: Daniel drives a new car that uses catalytic converters. His best friend Kelvin however driving an older car. His car does not use any type of catalytic converter. They decide they want to go on a road trip together but dont know who's car they should take. Given a family wants to buy a new car that causes less pollution, should they buy a car with catalytic converters or without?

A: with

Problem: Berg village and Hill village are renowned for the high number of cyclists living there. Berg village dealt with many traffic casualties because of narrower streets and lanes, While Hill village had wide streets, more traffic signals and a greater number of cyclists. Which village had a greater traffic volume?

A:
Hill