marycnad000
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

Relax

Respuesta :

kaybaby2727
kaybaby2727 kaybaby2727
  • 16-10-2021

Answer:

the answer is B is the best answer I hot

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