HIV is the only disease listed here to be sexually transmitted.
-Tiara
The correct answer is: an interaction between the biosphere and the geosphere.
The geosphere represents all of the rocks, minerals and ground that are found on and in Earth. It includes the ocean floor, all of the rocks on the surface, and all of the sand in the deserts.
Biosphere on the other hand is composed of all the living organisms on Earth (including human).
The correct answer is evaporation.
True. Evolution can only occur in a couple of different ways (for example: survival of the fittest), all of which occur over long periods of time.
