When should a plastic volumetric flask be used instead of a more accurate glass flask? 1. when measuring acids 2. when measuring hazardous chemicals - the plastic flask is disposable 3. when perfoming trace analysis and the analyte may adsorb to a glass surface

3.

Explanation:when performing trace analyses and the analyte may adsorb to the glass.

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

po-215 i got it right on the quiz