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: All of the different organisms interacting in a pond make up
(A) a community (B) a population (C) the water cycle (D) the habitat

SOLUTION: A

PROBLEM: Sickle cell anemia is a genetic disease caused by an autosomal recessive gene. If each parent carries one sickle cell allele, what are the chances that their child will have sickle cell anemia?
(A) no chance (B) one in four (C) two in four (D) three in four

SOLUTION: B

PROBLEM: Which will increase the energy of motion of water molecules?
(A) add heat (B) add ice (C) remove some of the water (D) place the water in the freezer

SOLUTION:
A