Choice C is most likely to be the right answer!
Convection occurs in water so I'll say its conduction
Answer:
A swamp is a wetland that is forested. Swamps are considered to be transition zones because both land and water play a role in creating this environment. Many swamps occur along large rivers where they are critically dependent upon natural water level fluctuations. Other swamps occur on the shores of large lakes.
Diphasic impulses.
Hope this helps you :)