1. The river water is severely polluted, mostly________ the dumping of raw sewage.A. due to B. lead to C. because D. so
A. due to
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2. Sudden changes in water temperature can ________ mass killings of fish, plants, or amphibians.A. come up B. result in C. dump into D. thank to
B. result in
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3. Water pollution________ the death of all forms of life in the water bodies.A. occurs B. results of C. creates D. leads to
D. leads to
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4. ________ plastic takes so long to break down, it pollutes the land and ocean.A. Because B. Due to C. Even if D. Although
A. Because
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5. Many flights were cancelled ________ the smoke from forest fires.A. so B. because C. because of D. result in
C. because of
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6. ________the garbage dump smells terrible, no one lives around there.A. Because of B. As C. As a result of D. Even though
B. As
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7. ________the grain consumption is rising, forests will be cut to provide more room forplanting crops.A. since B. Although C. unless D. Due to
A. since
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8. Grace didn’t love nature, ________ she wasn’t happy when her group went camping in a jungle.A. but B. and C. because D. so
D. so
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9. Thousands of fish were killed ________ a discharge of poisonous Chemicals from a nearby factory. A. because B. lead to C. result in D. as a result of
D. as a result of
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10. ________the fog, there were no take-oils from the airport yesterday.A. Since B. Because C. Owing to D. Thanks to