The rain forest climate is different from a lot of other climates. In other climates, the evaporation is carried away to fall as rain in far off areas, but in the rain forests, 50 percent of the precipitation comes from its own evaporation.
arise - come into existence; take on form or shape; A new religious movement originated in that country; a love that sprang up from friendship; the idea for the book grew out of a short story; An interesting phenomenon uprose originate, spring up, uprise, develop, grow, rise
something from which anything arises or is derived; source; fountainhead: to follow a stream to its origin. 2. rise or derivation from a particular source: the origin of a word. 3. the first stage of existence; beginning: