Teacher:In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Teacher: Now, understand the problem? Solve this instance: Fact1: friction causes the speed of an object to decrease, Fact2: Friction is a Force that opposes motion., Question: If a force that opposes motion is applied to an object, what will happen to its speed? (A) Plant growth is reduced (B) It will decrease (C) It will reach nano-speed (D) It will stay the same (E) kinetic energy (F) It will increase (G) Under 32 degrees (H) supersonic
Student:
B