Yes, like all land mammals do. A badger is related to the weasel.
They breath in oxygen and breath out carbon dioxide, like a human through it's lungs
There are Eurasian badgers, hog badgers, American badgers, ferret badgers, honey badgers, and stink badgers. I'm guessing that your question was, "What kinds of badgers are there?"
Badgers are the wildlife reservoir for Mycobacterium bovis in the UK; the badgers carry the bacteria in their respiratory tracts and sneeze/cough/hack the bacteria over the cow's food/water/pasture. When the cows come by and inhale over the bacteria, the TB bacteria are pulled into the cow's lungs and create an infection.
coyotes eat badgers
yes, badgers are mammals
Badgers can swim
badgers do have tails.
All badgers are known to swim, therefore, your answer is yes.
badgers
Yes.
No. Wombats are never called badgers. They look completely different, and there are no badgers in Australia.
badgers are about 1 m and 100cm