Answer:
Vestigial Structures
Explanation:
Structures that were needed for an organism's ancestor, but no longer required for survival for the current organism. We needed our wisdom teeth and appendix in order to eat tougher foods, but now we do not need those to survive. But, we still have them.
C.
evolution is the change a species goes through
C. Temperature. The greater the temperature of a substance the greater the average kinetic energy of the particles that made up the substance.
Strong base since it is completely soluble