Final answer:
The correct answer, based on the information given for an Advanced Placement Examination in Chemistry, is that Questions 2 and 4 can be tested using the scientific method.
Thus, the correct option is d.
Step-by-step explanation:
The question you're asking about relates to an Advanced Placement Examination in Chemistry, specifically a question about the scientific method and which questions can be tested using it. According to the information you provided, Questions 2 and 4 are the ones that can be tested using scientific method, and this is confirmed by the details, which state that Question 2 and Question 4 are from the Chemistry Advanced Placement Examination and have the permission of the Educational Testing Service to be used. In this context, Questions 1 and 3 are described as subjective and cannot be disproven using scientific method.
Therefore, based on the information given, the correct answer for which questions can be tested using the scientific method would be Questions 2 and 4, corresponding to option B) 1 and 4 if these represent the question numbers from the exam.
THerefore, the correct option is D) 3 and 4.