Heidi is a chocolate lover and eats chocolate daily. She has a bad break-out and her friend told her eating chocolate causes pimples. Heidi continues to eat
chocolate every day for 2 weeks and counts the number of pimples she has on
her face. The following 2 weeks she doesn't eat any chocolate and counts the
number of pimples on her face.
a. Independent Variable =
b. Dependent Variable =
C. Control =

a. the weeks she ate the chocolate

b. how many pimples were on her face

c. how much chocolate she ate

(I'm pretty sure A. is right but I might be wrong)

Explanation:

a. Independent Variable = time , starting number of pimples

b. Dependent Variable = the number of pimples

C. Control =  the chocolate quantity , 2 weeks for eating and 2 weeks for chocolate fasting " The think this time equalizing is a control factor "

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