You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
--------
Question: Which is a trait that a child can inherit from its parents?  
 (A) eye color (B) a broken leg (C) length of hair (D) language skills

Answer: A


Question: What gas in the air do we need to breathe in order to live?  
 (A) nitrogen (B) oxygen (C) carbon dioxide (D) hydrogen (E) water vapor

Answer: B


Question: A car and a truck are traveling at the same rate of speed. The vehicles approach a stop sign. Which statement best explains why the car stops in a shorter distance than the truck?  
 (A) The car has a larger mass requiring less force to stop. (B) The car has a smaller mass requiring more force to stop. (C) The truck has a smaller mass requiring less force to stop. (D) The truck has a larger mass requiring more force to stop.

Answer:
D