Which variable is most important to the following problem? after two hours, kaylee measured the temperature of a mixture to be 62.7°f she noticed it was 3: 47 p. m. at 4: 58 p. m., the temperature reached its peak at 89.4°f. how much did the temperature of the mixture increase between 3: 47 and 4: 58? o a. the time the lab began o b. the number of minutes it took the mixture to reach its highest temperature o c. how many milliliters of mixture there was o d. the number of degrees that the temperature changed