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]: Andre learned that plants survive through a process called photosynthesis. Which substance do plants produce during photosynthesis?  
 (A) minerals (B) nitrogen (C) soil (D) sugar
[A]: D


[Q]: Which scientist is known for his genetics experiments with pea plants?  
 (A) Charles Darwin (B) Gregor Mendel (C) Carolus Linnaeus (D) Robert Hooke
[A]: B


[Q]: The western coast of the United States has been increasing in size for millions of years. Which process has added material to the western coast of the United States?  
 (A) deposition at transform boundaries (B) accretion at convergent boundaries (C) landslides at divergent boundaries (D) meteorite impact at convergent boundaries
[A]:
B