Choose the word or phrase that best completes each sentence below.
6. Sudden changes in water temperature can ________ mass killings of fish, plants, or amphibians. A. come up B. cause C. dump into D. thank to
7. Water pollution________ the death of all forms of life in the water bodies. A. occurs B. results of C. creates D. leads to
8. ________can cause high blood pressure, heart problems, sleep disturbances, and hearing problems. A. Air pollution B. Light pollution C. Water pollution D. Noise pollution
9. ________are Chemicals that are used to kill unwanted plants, such as weeds. A. Fertilizers B. Pesticides C. Herbicides D. Pollutants
10. Emissions of pollutants into the air can________ changes to the climate. A. get on B. end up C. go into D. result in
11. ________can we help save our environment? A. What B. How C. Why D. How much
12. As an________ why do you oppose banning plastic bags? A. environmental B. environmentalist C. environment D. environmenting
13. The water supply is being tested for ________. A. contaminated B. contaminants C. contamination D. contaminate
14. Wastewater________ is a process used to remove contaminants from sewage. A. treat B. treated C. untreated D. treament
15 She became deaf after long-term________ to noise in the workplace. A. exposure B. exposed C. exposing D. expose
16. If thermal pollution continues for a long time, it can________ cause huge bacteria. A. possible B. possibly C. impossible D. impossibly
Choose the word or phrase that is CLOSEST in meaning to the underlined part in each of the following sentences.
17. Polluted water causes the death of the fish. A. results in B. stops C. damage D. produce
18. The soil becomes contaminated because of the use of so many pesticides and fertilizers. A. damaged B. untreated C. erosive D. polluted