Which macromolecules are polymers made of nucleotides

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.

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

What is the percentage of hydrogen in c2h4