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Oliga [24]
3 years ago
14

Although there are different ways to approach a scientific investigation, all scientific investigations begin with some sort of

Chemistry
2 answers:
Sholpan [36]3 years ago
6 0

Answer:

observation

Explanation:

raketka [301]3 years ago
5 0

Answer: hypothesis or guess

(pls mark me brainliest)

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