Question

when gathering glassware and equipment for an experiment, you should
○ read all directions carefully to know what equipment is necessary
○ examine all glassware to check for chips or cracks
○ clean any glassware that appears dirty
○ all of the above

Explanation:

For lab safety and proper experiment setup: reading directions ensures you get needed equipment, examining glassware for damage prevents accidents, and cleaning dirty glassware avoids contamination. So all these steps are necessary.

Answer:

D. All of the above