ALTERNATIVE ENERGY SOURCES
BOOK GLOBAL IELTS ANSWER KEY TEST 4 (FOUR) READING ANSWERS READING PASSAGE 1 1 B 2 D 3 C 4 D 5 NG 6 T 7 T 8 F 9 amount of toxins 10 renewable energy 11 organic matter 12 geothermal energy 13 (high) cost READING PASSAGE 2 14 H … Read more