TASK DEFINITION: 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.
PROBLEM: How do plants get water and minerals?  
 (A) absorbed from the soil though the roots (B) absorbed from the soil through the stem (C) absorbed from the air through the flowers (D) absorbed from the air through the leaves

SOLUTION: A

PROBLEM: The moon goes through phases as it revolves around Earth. During which phase of the moon would it be possible for a solar eclipse to occur?  
 (A) new moon (B) full moon (C) waning (D) waxing

SOLUTION: A

PROBLEM: What is necessary to use on a telescope in order to photograph solar flares and solar prominences?  
 (A) a light filter (B) a chronograph (C) an electric drive (D) a series of mirrors

SOLUTION:
A