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Class 9 Science Exploration: Entering the World of Secondary Science Scientific questions and observationsHard

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In which scientific question is specifying a time period necessary?

Answer and explanation

Correct answer: How does fertiliser affect plant height over three weeks?

Growth changes over time so the duration should be clear. Look for time in questions about change.

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Time Period Plant Growth Scientific Question Scientific Questions And Observations Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science Class 9 Mcq

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