(Question)
Question: Kenny discovered that riding his surfboard through the ocean generated less resistance than riding his surfboard and the river. He spent all day testing his theory, and he also learned that riding a surfboard in _____ made his surfboard get hotter (A) ocean (B) river  Do not use A and B to answer the question but instead, choose between "ocean" and  "river".
(Answer)
river


(Question)
Question: Steve undertook an exercise and diet program and lost a good amount of weight over several weeks. One thing Steve observed was how much more difficult it was to get his bike going fast when he was heavy than it was now that he had lost some weight. This means that when he weighed more his bike was (A) slower to get up to speed (B) faster to get up to speed.  Do not use A and B to answer the question but instead, choose between "Steve before weight loss" and  "Steve after weight loss".
(Answer)
Steve before weight loss


(Question)
Question: William notices that when he pets his bearded dragon, it's skin is much rougher than he notices when he pets his bunny rabbit. The surface of the pet that has less friction is the (A) bearded dragon (B) bunny rabbit  Do not use A and B to answer the question but instead, choose between "bearded dragon" and  "bunny rabbit".
(Answer)
bunny rabbit