The tropical rain forest

The tropical rain forest is a forest of tall trees in a region of year-round warmth. An average of 50 to 260 inches of rain falls yearly.
Rain forests belong to the tropical wet climate average humidity is between 77 and 88%; rainfall is often more than 100 inches a year.
A tropical rain forest has more kinds of trees than any other area in the world. Scientists have counted about 100 to 300 species in one 2 1/2-acre area in South America. Seventy percent of the plants in the rainforest are trees.