1.
Nowhere is there more light, warmth and moisture than in the tropical rain forests of South-east Asia, West Africa and South America. As a result, these areas are covered by the densest and richest mass of plants to be found anywhere in the world. Technically, these areas are described as evergreen rain forest; they are, however, more commonly known as jungle.
1) Why are the areas covered by the densest and richest mass of plants?