All living things, and parts of them (such as, for example, the leaves of the tobacco plant) contain acids.
tobacco is inside the cigarette.
nicotine and tobacco
YES
tar o tobacco
The maiN ingredient is Tobacco .. Cigarettes contain over 4000 chemicals ....
Tobacco
Thy are made of tobacco and they have hay inside them.
amino acids are, broken down / converted, to urea
Nicotine witch causes addiction and can kill you
Tobacco leaves were inside Ramses II's mummy.
Nitrogen helps animals to build amino acids inside their bodies. These acids are essential for making proteins which are vital for the body.
It is converted into amino acids