call me dumb. but I never knew that they collect urine at cinemas and I didn't realized, urines can be that useful'.
2007-03-21 06:47:29 · 3 answers · asked by randomX1 3 in Science & Mathematics ➔ Chemistry
One substance that can be isolated is urea, also called carbamide, H2N-C=O.NH2. It's useful as fertilizer because of the nitrogen.
Urea is commercially made synthetically from ammonia and carbon dioxide, however.
2007-03-21 07:41:03 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋
Basically the vegetables that you eat. According to wiki, "Urine has applications in gardening and agriculture as a fertilizer."
http://en.wikipedia.org/wiki/Human_urine
2007-03-21 06:57:54 · answer #2 · answered by carbigpow 3 · 0⤊ 0⤋
it's called corona.
that's why you have to put a lime in it... to cut out that urine taste.
2007-03-21 06:51:01 · answer #3 · answered by Anonymous · 0⤊ 0⤋