Which question can be answered using the scientific method?

a)which dog food is best for healthy teeth?
b)what color is the most attractive?
c)what is my purpose in life?
d)which flower smells the best?

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.

Draw the structure for 5-isopropyl-2-methyl-3-nonene

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products