Choose one chemical test that gives a positive result for c and one that gives a positive result for d

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

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.