Yes and no because it isnt really ammonia, yet, but you can make it into ammonia. A more complete answer is here [1] Boiling is not perfect, especially if you

Yes and no because it isnt really ammonia, yet, but you can make it into ammonia. A more complete answer is here [1] Boiling is not perfect, especially if you are doing this with low-tech tools in the wilderness, but it may be good enough to survive. That said, there are many other ways to get water. A big sheet of plastic, a few rocks and digging a hole is one them. (condensation) [1] - https://chemistry.stackexchange.com/questions/54387/extracting-urea-from-urine https://chemistry.stackexchange.com/questions/54387/extracti...