When a mass of _____ air meets ________ air, it ____ up and _____ the colder, _______ air. Once it is made to ____, cloud and rain will follow due to the ____ process in convectional rainfall. The place where warm air and cold air meet is called a ______. Frontal rainfall is very ________ in Britain throughout the year and especially in _________.
PLEASE DO FOR 20 POINTS