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1 April, 11:01

Question 3



1 pts

In a well designed experiment, how many independent variables should be tested at a

time?

How ever many the scientist needs for that experiment.

1

2 or more

None

Question 4

3 pts

+1
Answers (1)
  1. 1 April, 12:55
    0
    "A"

    Explanation:

    You should only test for 1 at a time
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