Can someone please help me with my chemistry test it’s all multiple choice. i just have a few questions!!!

GUYS PLEASE. I HAVE TO SUBMIT THIS IN A FEW:(

I’LL GIVE A BRAINIST:)

When a septic tank backs up a goes in to clean it out

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Displacement is the slope of a velocity vs. time graph a. true b. false