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]: Organisms contribute to the water cycle mainly through the process of  
 (A) irrigation. (B) evaporation. (C) precipitation. (D) transpiration.
[EX A]: D

[EX Q]: One advantage of a hand lens over a microscope is that the hand lens  
 (A) is easier to carry on field investigations. (B) is less likely to be infected by bacteria. (C) makes very tiny objects appear larger. (D) produces a more accurate image.
[EX A]: A

[EX Q]: A manufacturing industry has asked to relocate its plant to your town. From an environmental perspective, which question is least important to ask before deciding whether the industry may move to your town?  
 (A) How will the plant affect wildlife of the area? (B) What kinds of pollution will the plant produce? (C) What impact will the plant have on the population of the town? (D) What are the uses of the products that the plant will manufacture?
[EX A]:
D