instruction:
You are given a science question (hard-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.
question:
An infectious disease causes an increase in the body temperature and a decrease in the blood glucose levels of a deer. What is most likely an effect of this disease?
(A) a disruption in the homeostasis of the deer (B) a change in the genetic makeup of the deer (C) an increase in the energy level of the deer (D) an increase in the reproductive rate of the deer
answer:
A

question:
Water in the solid phase has a crystal structure which keeps molecules farther apart than water at certain temperatures in the liquid phase. This relationship explains which property?
(A) the presence of more impurities in ice than in liquid water (B) the ability of ice to float on liquid water (C) the release of heat when liquid water turns into ice (D) the cooling of liquid water as it flows over ice
answer:
B

question:
The Earth's Moon is
(A) always much closer to the Sun than it is to the Earth (B) always much closer to the Earth than it is to the Sun (C) about the same distance from the Sun as it is from the Earth (D) sometimes closer to the Sun than it is to the Earth and sometimes closer to the Earth than it is to the Sun
answer:
B