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: The basic life functions of an organism are carried on by  
 (A) cells (B) nutrients (C) atoms (D) hormones

Answer: A


Question: A scientist is searching for areas where new solar systems might form. What feature is the scientist looking for?  
 (A) a star similar to our Sun (B) a cloud of dust and gas (C) an oxygen-rich atmosphere (D) a gravitational acceleration of 9.8 m/sec2

Answer: B


Question: Which sense is used to tell if there is sugar in a glass of tea?  
 (A) Touch (B) Hearing (C) Smell (D) Taste

Answer:
D