TASK DEFINITION: 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.
PROBLEM: Which traits would a species of nocturnal predators most likely develop over time to survive in the wild?  
 (A) a small size (B) flat, grinding teeth (C) sharp vision and hearing (D) resistance to weather changes

SOLUTION: C

PROBLEM: Which of the following animals is an invertebrate?  
 (A) Squirrel (B) Sea gull (C) Cricket (D) Lizard

SOLUTION: C

PROBLEM: On December 12th a snowstorm in a city produced 20 centimeters of snowfall. When can this event be used to describe the climate of the region?  
 (A) if the snowfall set a record (B) if the snowfall was unusual for the area (C) if the snowfall was consistent with weather in December over time (D) if the snowfall remained on the ground for longer than one month

SOLUTION:
C