| http://www.w3.org/ns/prov#value | - According to the passage, which of the following is a factor that is threatening the survival of coral reef communities?(A) The waters they inhabit contain few nutrient resources.(B) A decline in nutrient input is disrupting their symbiotic relationship with zooxanthellae.(C) The degraded waters of their marine habitats have reduced their ability to carry out photosynthesis.(D) They are too biolog
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