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marin [14]
3 years ago
11

Hypothesis: If I put a chocolate bar on the table near a sunny window, it will melt faster. If your independent variable is the

placement of the chocolate bar and the dependent variable is the speed at which it melts, what are some controlled variables that one must have during each trial?
Biology
2 answers:
BARSIC [14]3 years ago
8 0
The temperature of the room which way the sun is shining from
stich3 [128]3 years ago
7 0
Type of chocolate bar, size of it, surface it is placed on, etc

Controlled variables are anything that stay the same for both trials
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 Normal                             normal                      dark                        370

 normal                              normal                      light                        32

 early                                  normal                      light                        971

 early                                   normal                     dark                         28

 early                                  reduced                    dark                          25

 early                                   reduced                   light                          483

 normal                                reduced                   light                          36

 normal                                reduced                    dark                         810

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                                                                                PROGENCY           <u>2755</u>

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2. The locus in the center is TIME TO FRUIT. Tendril size is at the beginning of the locus and the distance between the locus B and locus C is R2

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3 years ago
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