instruction:
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 statement describes all matter?  
 (A) All matter contains carbon. (B) All matter contains oxygen. (C) All matter is made up of cells. (D) All matter is made up of atoms.
answer:
D


question:
Frame construction predominates in the New England area due to the abundance of  
 (A) clay. (B) masonry. (C) wood. (D) steel.
answer:
C


question:
Barry collected four different rocks. The rock with the GREATEST mass will feel the ___.  
 (A) heaviest (B) smoothest (C) sharpest (D) hardest
answer:

A