Amechanical wave moves through a medium, which can be (
a. a liquid (
b. a gas (
c. a solid (
d. all of the above

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.

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3

What’s the physical properties in calcium chloride