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.

[Q]: Which characteristic of a cheetah is more likely to be learned rather than inherited?  
 (A) speed (B) a spotted coat (C) hunting strategies (D) claws that do not retract
[A]: C


[Q]: The equation for the synthesis of water is given below. 2H_{2} + O_{2} -> 2H_{2}O How many grams of oxygen gas are needed to produce 36.0 grams of water?  
 (A) 9.00 grams (B) 16.0 grams (C) 32.0 grams (D) 40.0 grams
[A]: C


[Q]: Why do convergent margins tend to cause the formation of sedimentary basins?  
 (A) Convergent margins create depressions. (B) Convergent margins cause volcanic eruptions. (C) Convergent margins compress and transform rock. (D) Convergent margins cycle sediments into the asthenosphere.
[A]:
A


