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damaskus [11]
3 years ago
13

Which of the following describes a properly conrtolled experiment? help pls and thanks

Biology
2 answers:
babymother [125]3 years ago
6 0

Answer:there is nothing to choose from

Explanation:

wariber [46]3 years ago
6 0

Answer:

Wheres the question lol?

Explanation:

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Any combination of D, E and F

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