PTE Listening
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1 questions. Answer them all, then submit once for your section score.
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1.
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You will hear a recording. Type the missing word in each blank exactly as you hear it.
Coral reefs support roughly a quarter of all marine despite covering less than one percent of the ocean floor. Rising sea temperatures trigger coral , a stress response in which corals expel the symbiotic that provide both color and nutrients. Prolonged bleaching often leads to coral death and collapsing reef .