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.

[EX Q]: During a walk in the woods, Mandy finds a plant structure that had fallen onto the trail. Mandy can tell the object contained seeds, and thinks it came from a flowering plant instead of a conifer. How can she determine if the object came from a flowering plant?
(A) by looking for seed coats on the seeds (B) by looking for wing-like structures on the seeds (C) by looking for fruit tissue around the seeds (D) by looking for young sporophytes inside the seeds
[EX A]: C

[EX Q]: DNA technology has improved greatly in the last twenty years. Which task has been made easier by the development of DNA technology?
(A) identifying genetic disorders (B) determining the parts of an atom (C) observing distant objects in space (D) making very accurate measurements
[EX A]: A

[EX Q]: A scientist trying to identify an unknown liquid may heat the liquid. Which would be the best reason for the scientist to heat the liquid?
(A) to observe a color change (B) to get rid of most impurities (C) to identify the boiling point (D) to collect gases for additional study
[EX A]:
C