yes
Tools or their hands.
binary
Humans created machines to help them selves. But machines enslaved humans.
by installing wind mills
Swamps are terrific filters for turbid water flows.
humans seek out new land to build housing and businesses, so they fill in swamps with dirt and rocks to dry them up, and push the swamp land back or decrease it to make room for homes and businesses. sometimes they dig the swampland out and make artificully deepended lakes for low cost property development then sell it as "waterfront" property which is really just old swampland. humans also build sewage systems that dump into swamps because they are careless and don't think about the conseqences of this action. humans may also dispose of other toxic wastes into swampland assuming no one will ever use the swamp as a resource.
humans, crocodiles, alligators, and anacondas
They hid in the deep swamps
The area was surrounded with swamps and marshes.
They are swamps in Louisiana.
The American alligator lives in some Florida swamps.
Spanish swamps
No! Swamps have amphibeous creature like snails. Insects are also in swamps.
As we don't know what country you are in it is impossible to answer
bullfrogs can barf on you and their barf is specifically made of acid so if it touches humans it can kill them or seriously tickle them so be careful
Yes, peat is found in swamps. Peat is formed in swamps. Moss is found hanging from trees in swamps. Have you heard the term "peat moss"........