Malaria is spread by mosquitoes because females pick up a parasite and when they bite someone to nurture their eggs it spreads
I think it starts to get slower as soon as it starts traveling because then hurricanes wouldnt be as bad and would be long, and it could possible get worse as it travels across the water because it could be sucking up water so then it would get bigger and worse. The tempertaure will get colder because it will then start to pour and cause destruction and make it windy and very chilly.
Cancer is the typical result of cell division
The first one SUBLIMATION. :)