Chemistry, 07.09.2021 03:00 yoangel9183
A scientist wants to investigate whether plants need sunlight to grow. The hypothesis being tested is: “Plants require sunlight to grow.” The scientist placed one tray of sunflower seedlings in the sun and another tray of sunflower seedlings in a cupboard in the laboratory The seedlings were watered and after 6 weeks the height of each seedling was measured. л Condition A: sunflower seedlings in the sun Condition B: Sunflower Seedlings in a Cupboard. Which variable/factor is being investigated (and therefore changed)?
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A scientist wants to investigate whether plants need sunlight to grow. The hypothesis being tested i...
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