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stich3 [128]
3 years ago
10

Valerie hypothesizes that frogs lay more eggs in warm water than in cold water. When Valerie designs her experiment, what should

be the only variable that changes?
A.
frog species
B.
time of year
C.
water temperature
D.
water flow rates
Biology
1 answer:
Bas_tet [7]3 years ago
6 0
C. Water Temperature
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