Problem: Alexander is conducting reactions in his college chemistry class. In his first reaction, reaction A, he uses a high strength burner so the temperature of the reaction is high. In the second reaction, reaction B, he uses a weaker model of burner, so the temperature of the reaction is low. Which reaction will proceed faster?

A: reaction A

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 farther from the North Pole?

A: Kobe

Problem: John was reading about a fascinating story of a scientist in a science fiction book. In that novel the scientist met with a mysterious wormhole while visiting Antarctica. First, the wormhole started the time travel in present day, which was designated as point A. Then it sent the scientist to 170 million years in the past, which was designated as point B. The scientist had the rare experience of visiting Antarctica in two different time periods, 170 million years apart. Would there be less or more life forms in point A than in point B?

A: less

Problem: John is an automotive enthusiast. He was visiting the auto show in his city. Two cars caught his attention, car A and car B. Car A was newer and it had catalytic converter. On the contrary, car B was older and didn't have catalytic converter. But he found the design of older car more attractive. Which car would contribute to less cleaner atmosphere, car A or car B?

A:
car B