Choose the word or phrase that best completes each sentence below. 6. I think the waste from the factory has __________ the lake.     A. damaged                B. pollution                   C. polluted           D. damage 7. If the factory continues dumping poisons into the lake, all the fish and other _________ animals will die.     A. aquatics                 B. aquatic             C. aquatical          D. aquatically 8. He is _________ a lot because it is cold.     A. sneezes                  B. sneeze              C. sneezed            D. sneezing 9. Don’t drink that water! It’s __________. A. contaminated   B. contamination C. contaminant     D. contaminating 10. A huge amount of _________ chemical waste is dumped into the lake.     A. poison                            B. poisoning         C. poisonous        D. poisons 11. The crop was severely ________ by the acid rain.     A. damaged                B. poisoned                   C. polluted           D. contaminated 12. Many people _________ litter on the streets.     A. pay                        B. give                  C. catch                D. throw 13. When _________ pollution happens, the water temperature in streams, rivers and lakes, or oceans changes.     A. water                     B. thermal            C. temperature     D. heat 14. The sight of too many telephones poles, advertising billboards, overhead power lines, or shop signs may cause _______.     A. light pollution       B. air pollution     C. visual pollution D. sight pollution 15. Many children around the world are suffering from birth defects because their parents are _________ to radiation.     A. worked                  B. exposed           C. expressed         D. supposed Choose the word or phrase that is CLOSEST in meaning to the underlined part in each of the following sentences. 16. The supply is being tested for contamination. A. population                B. pollution                   C. combining        D. containing 17. The fumes from vehicles is a contributing factor to make people cough.     A. noise                     B. fuel                  C. exhaust            D. water 18. Several new botanical species have been killed in the last year because of water and soil pollution.     A. mammals              B. plants              C. insects              D. flowers Choose the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following sentences. 19. Two years ago, the reduction in water and noise pollution in this city was dramatic.     A. impressive             B. normal             C. marked            D. traditional 20. Because warmer water has less oxygen in it, it can harm fish populations and cause harmful algal blooms.     A. support                 B. reduce              C. contaminate     D. illustrate