Answer:
Do NOT attempt to fill a buret precisely to the 0.00-mL mark at the top. This is a waste of time, as all volumes delivered by a buret are determined from the difference between initial and final readings. This step is important because the hanging drop is part of the volume delivered by the buret.
Explanation:
To focus and direct the organization itself.
1 is a depressant, but a specific drug is alcohol and 2 is a hallucinogenic such as LSD or ecstasy
I think the right one is c
