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: Strong winds have the ability to uproot large trees in a wooded area. Which of these organisms would most likely benefit from this change in a habitat?  
 (A) a bee colony that needs a hive (B) a bird that needs to build a nest (C) a squirrel that needs to find shelter (D) a plant that needs sunlight to grow

A: D
****
Q: A student has just completed a laboratory activity. What is the last action that the student should perform before leaving the lab area?  
 (A) wash hands (B) turn off all equipment (C) put away all glassware (D) wash instruments and table tops

A: A
****
Q: A substance with a mass of 10 g is heated to produce two new substances. The mass of the first new substance is 9.3 g and the mass of the second new substance is 0.7 g. Which of the following is best demonstrated by this example?  
 (A) heat transfer (B) physical change (C) law of conservation of mass (D) law of conservation of energy

A:
C
****