David is a chemist, working for a large pharmaceutical company. He was contemplating on a project that would help perform chemical reactions more efficiently. For that, he conducted two chemical reaction tests, test A and test B. In test A he used enzymes, but in test B he didn't use any enzymes. He now needs to evaluate the pros and cons of each of the tests. Which test would require longer time, test A or test B?
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Answer: test B

Peter visited two mountain ranges last summer. The Ozarks in Missouri, and the more massive and younger Colorado Rockies. He loved both ranges, but liked the caves systems and blue holes in the Ozarks a bit more. Which mountains have a smaller percent of limestone?
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Answer: Rockies

Hill town had two large forests nearby. Lake forest had trees that were in a symbiotic relationship with a large variety of arbuscular mycorrhizal fungi. These fungi were less prevalent in Brook forest. Which forest had a lower soil moisture concentration?
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Answer:
Lake