Problem: Given the question: John has been hearing about climate change for last couple of years. He wants to understand the science behind climate change. For that, he picked up two eras in earth's history, era A and era B. Era A was hundred thousand years ago, and era B is in the present day. He now wants to compare these to eras to understand the change in climate better. Would era B have more or less carbon dioxide in the air than era A?
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The answer is:
more

Problem: Given the question: Two students studied chemistry. Nate studied alkanes, and Ben studied noble gasses. They both got an A later on. Which student learned less about methane?
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The answer is:
Ben

Problem: Given the question: Two countries from the same continent have very different climates. Icelandia, located at 70N latitude, and Uganda, situated just south of 30N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft. Which country had a lower timberline?
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The answer is:
Icelandia