Answer:
The correct answer is <em><u>B.) motivation</u></em>
Explanation:
I just did the unit test review on edge 202 and got it right
Bart) IV: time in microwave
DV: mice strength
Conclusion: the time in the microwave does not affect the mices strength
Improvement: Retest
Lisa) IV: Ragooti hair cream
DV: hair growth
Hypothesis: If rogooti is used in hair then it will increase growth speed because it contains special ingredients
Because you will be able to do the easy stuff later