The worlds coral reefs are being damaged by harmful runoff, which new research shows it’s being caused by the clearing the forest. Scientist say that when the forest cover is lost, soil washes away into Rivers that flow into the oceans and, they believe onto coral reefs. that runoff adds nutrients to the ocean water.
The answer to this is older, but it's not a proven fact even though schools teach it as if it were. It is still just a theory if you think about it with how much the earth moves, areas of rock could be complete upside down and no one would know, it would be like history in reverse.
