Clouds are formed when the sun heats water on the ground/ocean. This water evaporates, or becomes the gas form of water known as water vapor. ... This is a constant process, and therefore there can be no days with absolutely no clouds in the sky.
Answer: Selectively permeable means a membrane allows the passage of some molecules or ions and inhibits the passage of others. The capacity to filter molecular transport in this manner is called selective permeability.
Explanation:
Shortened: This means the membrane only allows some things to pass through while others can't.
Hope this helps! ^^
The gene that controls production of white blood cells.