Carlo is wondering what causes plants to grow at different rates. Carlo’s hypothesis is “Plants will grow more when the day is longer.” To test his hypothesis, Carlo sets up an investigation that includes

Carlo is wondering what causes plants to grow at different rates. Carlo’s hypothesis is “Plants will grow more when the day is longer.” To test his hypothesis, Carlo sets up an investigation that includes an experimental and control group. What factor would remain constant in the control group? type of soil type of plants exposure to sunlight method for measuring the growth

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Carlo is wondering what causes plants to grow at different rates. Carlo’s hypothesis is “Plants will grow more when the day is longer.” To test his hypothesis, Carlo sets up an …

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