<span>A) In the selected sentence, the word gardening is a gerund, and the gerund phrase functions as the subject.
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Answer:
this is the fixed version
Explanation:
In the midst of the vast, relatively unpopulated ocean, coral reefs are hotspots of biological diversity. Thousands of species are hosted within their colorful, protective borders. They support many of the fisheries that coastal communities rely upon and sustain local economies by providing billions of dollars of income from tourism.
The vibrant colors that attract both fish and humans is the result of a symbiotic relationship between invertebrate coral polyps and colorful algae. Nutrients and protection is provided by corals to algae. In return, the algae provides the corals with sugars produced via photosynthesis.
In 1979, incidents in which coral hosts cast out their resident algae began to be reported on an unprecedented scale. This occurrence, known as coral bleaching, leaves the coral a bleached white color because of the ejection of the colorful algae. Bleaching events are not necessarily lethal to corals. However, if bleaching occurs over a prolonged period of time, the coral host will eventually die.
Answer:
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