Mark is a biologist. He is trying to see how to make chemical reactions within organism easier. To that end, he conducts two tests, test A an test B, on an organism. In test A he reduces catalysts from the organism, but in test B he induces catalysts in the organism. He needs to observe the outcomes of these tests. Which test would see reactants colliding more, test A or test B?
Ans: test B

Two rivers, The Minninnippi and The Cedar, flow into the same ocean. The Minninnippi is surrounded almost entirely by farm lands due its location in a flat area of the country that sees regular rainfall. The majority of these farms will have runoff from their crop soil flow into the river. The Cedar is located mostly inside an unpopulated forest. Currently, not much industrialization or settling by humans has happened near The Cedar. Which river is less responsible for marine pollution flowing into the ocean?
Ans: The Cedar

Two sisters took their blood pressure at the doctor's office. Jill had hypertension, while her sister Beth had normal blood pressure. Which sister was at lower risk of having a stroke?
Ans: Beth

Mike is studying for his zoology class. Today, he is studying about reptiles and amphibians. He found it easy to understand their differences by categorizing them. For that, he classified reptiles as class A and amphibians as class B. Which class of animals would have more efficient respiratory system, class A or class B?
Ans: class A