Why should an individual working with chemicals understand the hazard coding system
on a chemical label?

Because a model would make the investigation easier to understand

500bc indiais the answer.

U whay do you need with?

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.