The answer is Except their water.
Amazon Rain forest is rich in Oil, Medicinal Plants, and it create about 20 % of world's oxygen, but people around the world doesn't rely on their water so much
Genetic predisposition is a characteristic that makes certain people more susceptible to a particular disorder or condition.
However, the impact of this characteristic can be managed through lifestyle choices. If a person with a genetic predisposition to alcoholism is raised in Saudi Arabia (in a culture where he has no access to alcohol) he would have no trigger, and this disorder would not become present.
The island of Madagascar is located about 240 miles off the Southeastern coast of Africa.