marycnad000 marycnad000

16-10-2021
Biology

contestada

Please help!!!
Study Island sucks!
In a controlled scientific experiment?
Answer choices:
A. only one variable can be kept constant
B. no variables are kept constant
C. one or more variables are kept constant
D. all variables are kept constant

Respuesta :

kaybaby2727 kaybaby2727

16-10-2021

Answer:

the answer is B is the best answer I hot

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