Question

when gathering glassware and equipment for an experiment, you should * 2 points
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.
other.
you are heating a substance in a test tube. always point the open end of * 2 points
the tube
toward yourself.
toward your lab partner.
toward another classmate
away from all people
other

Explanation:

For the first question, in a laboratory setting, reading directions ensures you have the right equipment, checking for chips/cracks prevents accidents (e.g., glass breaking during use), and cleaning dirty glassware maintains experiment integrity. So all actions are necessary. For the second question, when heating a test - tube, pointing it away from people (including yourself and others) is a safety rule to prevent splashes or explosions from harming individuals.

Answer:

1. All of the above.
2. away from all people.