other metals like calcium, magnesium, iron and sodium can also be used in the preparation of hydrogen why is zinc preferred over this metals​

What are the genotypic and phenotypic ratios

Why is carbon ideal for making different compounds?

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.