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.

Which source of data about Nevada resources is likely to be most current and reliable?  
 (A) a science encyclopedia (B) an article in a local newspaper (C) a government-maintained website (D) a student's classroom presentation
C

Which will most likely result from a low-pressure weather system?  
 (A) warm temperatures (B) cloudy conditions (C) clear conditions (D) cool temperatures
B

The average distance between Earth and the Sun is 149,600,000 kilometers. Which of the following is the correct scientific notation for this distance?  
 (A) 1.496 x 10^3 km (B) 1496 x 10^5 (C) 149.6 x 10^6 km (D) 1.496 x 10^8 km

D

