humans
lumazoa
Silkworm
a camel produces very little sweat and urine
Vicuna
The animal tear for 2008 is dog tear secretion according to the journal of small animal practice.
There are tear ducts in you eyes which produces tears.
The chemical name of Tear gas is 2-chlorobenzalmalononitrile or o-Chlorobenzylidene Malononitrile.(C10H5ClN2). Tear Gas aka CS Gas.
Ethers containing peroxides can be detonate as tear gas when heated. Unburned material may form powerful tear gas. When wet, also forms irritating formaldehyde gas.
The basic constituent of Tear gas is phosgen gas, COCl2 (Carbonyl chloride) and laughing gas is nitrous oxide or N2O.
lachrymator
tear gas Refer to the related links to see a Wikipedia article about tear gas.
Tear duct.
The best known tear gas is "CS" gas- this contains carbon, hydrogen, nitrogen and chlorine.
In fact there is a chemical composition of chloroform and nytric acid called Chloropcrin in tear gas which causes eye burning while tear gas cells are burst.
Advantages of tear gas would have to be , it splits up large riot groups. Used by police.
the tear gas will be found on washinton beach police hQ behind