I/ Pronunciation 1. a. seat b. leave c. increase d. ready 2. a. around b. mouse c. count d. country 3. a. mechanic b. achievement c. chemistry d. school 4. a. eliminate b. elephant c. endanger d. erosion 5. a. pollute b. species c. accept d. receipt 6. a. environment b. hydroelectric c. circulation d. wild 7. a. club b. lamb c. doubt d. bomber 8. a. disease b. spread c. breed d. treat 9. a. town b. cow c. snow d. brown 10. a. ocean b. undersea c. beneath d. deep 11. a. think b. depth c. further d. breathe 12. a. tiny b. device c. krill d. migrate 13. a. pea b. provide c. psychology d. power 14. a. studied b. established c. continued d. enjoyed 15.a. about b. bomb c. debt d. doubt