Answer: in order for a scientific investigation to be valid A hypothesis must be tested throughout a Scientific investigation that can gather evidence and support it.
Explanation: in any scientific investigation you have to have a testable hypothesis, without your hypothesis it’s not really a scientific investigation.
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She should conduct an expirement that proves whether the water changes the white flower or not
Answer:
DNA checking
2.after few days it's growth rate was so great
Elbows and knees would be the answer
