So, sometimes it's brother against brother. Some people can tell what time it is by looking at the sun, but I have never been able to make out the numbers. We say the cause of perfume disappearing is evaporation. Evaporation gets blamed for a lot of things people forget to put the top on. In looking at a drop of water under a microscope, we find there are twice as many H's as O's.
Clouds are high flying fogs.
I am not sure how clouds get formed. But the clouds know how to do it, and that is the important thing. Clouds just keep circling the Earth around and around. There is not much else to do. Rain is saved up in cloud banks.