PSAT Reading Question 148: Answer and Explanation

Question: 148

Which choice provides the best evidence for the answer to the previous question?

• A. Lines 1–2 ("Mercury is an unusual... temperature")
• B. Lines 4–6 ("Mercury... our food")
• C. Lines 20–22 ("The concentration... dangerous")
• D. Lines 28–32 ("However, methylmercury... processes")

Correct Answer: B

Explanation:

B

Difficulty: Easy

Category: Command of Evidence

Getting to the Answer: Locate each of the answer choices in the passage. The correct answer should provide support for the answer to the previous question. In paragraph 1, the author explains that mercury can be found in many places. This supports the conclusion that it is impossible to avoid mercury completely. Choice (B) is the correct answer.