The negative (19) ________of marine pollution are two-fold. Marine creatures and plants are affected by the harmful substances in the dumped materials. The wastes that are (20) ______into the oceans tend to have toxic substances, which soak in all the oceanic oxygen. This leads to a marked reduction of oxygen available to mammals and other fishes causing them to die in their natural habitat. Every year more than one million seabirds are being killed by ocean pollution.(21)_______ addition, the increased presence of plastic on the ocean surface has resulted in more serious problems. Most of the plastic debris (broken pieces of sth) that reaches the ocean remains floating for years (22) _______ it does not decompose quickly, and it leads to the dropping of oxygen level in the water, severely affecting the survival of marine (23)____________. Similarly, the presence of harmful wastes in the waters make impacts on the food habits and health of human being because it (24)_____ the food chain and fails the reproductive system of fish and other aquatic beings.
19. A. reasons B. effects C. purposes D. ways
20. A. reused B. recycled C. dumped D. exhausted
21. A. With B. For C. To D. In
22. A. so that B. if C. so D. because
23. A. species B. animals C. plants D. transport
24. A. disappoints B. spoils C. decreases D. prevents
19. A. reasons B. effects C. purposes D. ways
20. A. reused B. recycled C. dumped D. exhausted
21. A. With B. For C. To D. In
22. A. so that B. if C. so D. because
23. A. species B. animals C. plants D. transport
24. A. disappoints B. spoils C. decreases D. prevents