Which is a controlled variable in this experiment?
a. number of pots
b. amount of water...
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Biology, 06.01.2020 19:31, sophie5988
Which is a controlled variable in this experiment?
a. number of pots
b. amount of water
c. amount of phosphate
d. amount of blooms on a plant
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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