Answer:
A. A bin should be labeled “chemical wastes and hazardous waste.”
Explanation:
This is one of the strategies that should be adopted when it comes to proper disposal tecnique. Whenever you are using chemicals, and you have some leftover, it is important to dispose of it safely. This will ensure that the chemical is not released to the environment, where it could pose some risk to the environment, as well as the animals and people that live in the area.