MUET Practice Questions - Malaysian University English Test (MUET) Exam

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Read this passage. 'Coral reefs cover less than one percent of the ocean floor, yet they support roughly a quarter of all marine species. When water temperatures rise even slightly for prolonged periods, corals expel the algae living in their tissues and turn white, an event known as bleaching. Bleached corals are not dead, but they are far more likely to starve.' According to the passage, coral bleaching occurs when

coral reefs spread to cover more of the ocean floor marine species leave the reef in large numbers water temperatures rise slightly for a prolonged period the algae multiply too quickly inside the coral

Correct Answer:

water temperatures rise slightly for a prolonged period

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