Th answer is D its the best answer that fits the question .
Answer:
is the movement of substances due to random thermal molecular motion. is the diffusion constant, representative values of which are found in [link]. Osmosis is the transport of water through a semipermeable membrane from a region of high concentration to a region of low concentration.
Explanation:
Land in the steam going down then to open water body and out to ocean or directly to ocean from stream.
Become evaporated, then rain down again
