Which two processes lead to cloud formation in rising air

The two processes that lead to cloud formation in rising air is :
3) expanding and cooling
Rising Air is the  key process in the production of clouds and precipitation. Air which gets heated by the Earth,rises up and cooler air comes and takes it's place, thus, forming an exchange of currents. Dust particles act as nuclei for the formation of clouds and this results in precipitation.

The short-term effect of tar on the body is increased blood pressure.

C.25-28.. . .