When weather conditions are at the higher temperature of the world's water cycle, it is more concentrated. The surface of the oceans around the world are increasingly concentrated in salt. Make the origin of rain balance.
The climate of the Earth has a temperature higher water cycle is more concentrated. The surface of the oceans around the world, with more salt. The teeming rain imbalance.
When the climate of the world have higher temperature water cycle is more concentrated. The surface of the ocean around the world have the concentration of salt. The origin of rain, a lack of balance.