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.

An Earth Science class is planning a field trip to a quarry to look for fossils. Which item will be important for the students to wear during the field trip to prevent damage from solar radiation?  
 (A) disinfectant (B) suntan lotion (C) safety goggles (D) ear protectors
B

The planets in the solar system revolve around the Sun because the Sun is  
 (A) made of hydrogen and helium. (B) older than other objects in the solar system. (C) the source of most heat and light energy. (D) the strongest source of gravity in the solar system.
D

A boat traveled from a bay into a freshwater lake and brought a nonnative plant to the lake. If the new plant adapts to the freshwater environment, which is the most likely consequence in the lake?  
 (A) Some native plant populations will increase. (B) Some native plant populations will decline. (C) Water temperatures will fluctuate rapidly. (D) The water will become brackish.

B