Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
Tropical coral reefs are home to an enormous variety of marine life; however, they are under threat from human activities and rising sea levels due to climate change. A better understanding of the ecological mechanisms that take place within tropical coral reefs will help to ensure their conservation.
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