TOEFL IBT READING PRACTICE TEST 28 SOLUTION & EXPLANATION
SOLUTION & EXPLANATION FOR TOEFL IBT READING PRACTICE TEST 28 1. (B). When something “alters,” it “changes” or takes a different form. See Exercises R1-R3. 2. (A) The passage states that the rate of decay is constant, regardless of conditions. See Exercises R9-R14. 3. (B) The element’s half-life is the time necessary for one-half of the … Read more