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worty [1.4K]
3 years ago
11

Dont skip need help ASAP and pls hurry will give 10 pts + brainliest

Physics
2 answers:
forsale [732]3 years ago
8 0
C, believe you need to test others, can’t just test one thing with eachother several times
Gemiola [76]3 years ago
3 0

Answer:

C

Explanation:

In order for an experiment to be valid need to be conducted with several tested variables

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