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.

Q: A puppy has traits from its mother and its father. Which of these structures provides genetic information from the father to the puppy?  
 (A) a muscle cell (B) a nerve cell (C) a blood cell (D) a sperm cell

A: D
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Q: 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.

A: D
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Q: Which is a characteristic of sedimentary rock?  
 (A) forms in layers (B) looks very shiny (C) contains crystals (D) forms from magma

A:
A
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