How does coral bleaching impact humans?

Bleaching corals have reduced growth over time and this affects humans because coral reef ecosystems protect coastlines from storms and are a source of food and new medicines. Coral bleaching is climate change and can also change the water temperature which causes pollution, too much sunlight or high temperatures.

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15