The answer is probably hurricanes bc the mixture of hot air and cold air together turns it into a big hurricane/tornado.. depending on how strong the wind is
Geographers run into problems with maps because they don't know the how to solve the map problem, how they can solve the problem is by watching the stray and the lines on it so that they can notify it and it won't be a problem for them that do the maps
Veinte, that is 20 in spanish
Irdk but that is a very good question
Uneven warming by the sun I believe