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chapter 1 Exploration: Entering the World of Secondary Science - Part 3

A fair test requires:

Type: MCQ • Marks: 1
A fair test requires:
Options
A. Using no controls
B. Changing all variables
C. Changing only one variable at a time
D. Ignoring measurements
Explanation
Changing one variable helps identify its effect.
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Class 9th Science (MCQ)

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