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]: In some locations, squirrels sleep for long periods of time during the winter months. Which of the following most likely causes these squirrels to sleep for long periods of time?
(A) increase in humidity (B) decrease in temperature (C) clouds forming in the sky (D) winds blowing in the night
[A]: B

[Q]: After playing outside on a cold day, Jaime went inside to wash his hands. Although the water was normal temperature, he noticed that it felt warmer than usual. What would explain this phenomenon?
(A) His body had more kinetic energy than the water. (B) Heat flowed from a cooler substance to a warmer substance. (C) The water from the faucet had a higher temperature than his skin. (D) The thermal energy in the room was higher than the thermal energy outside.
[A]: C

[Q]: A dog opens its mouth and lets its tongue hang out. A human's body produces sweat. These are two ways that organisms may adjust to
(A) cold temperatures (B) hot temperatures (C) a shortage of food (D) a shortage of drinking water
[A]:
B