Did benzene exist 20 years ago?!
Question: Did benzene exist 20 years ago?
Answers:
yes it did
p
Yes. To further answer your questions about benzene, here is a link of the time line of Benzene:
http://www.google.com/#q=history+of+benz…
Time line of Benzene
Yes, it has long been a byproduct of petroleum distillation