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Ruby measures the heights of several species A, B, C, and D plants for a week under different conditions and finds a journal article that describes the growth rate of species A.
Ruby measures the height of a species A plant for a week and finds an anonymous gardening blog that describes the growth rate of species A.
Ruby measures the heights of several species A, B, C, and D plants for a week under the same conditions.
Ruby measures the heights of several species A, B, C, and D plants for a week under the same conditions and finds journal articles that describe the growth rates of each species.
Answer:
Ruby measures the heights of several species A, B, C, and D plants for a week under the same conditions and finds journal articles that describe the growth rates of each species.
Explanation:
In order to observe changes in the growth rate of the plant species that Ruby has in its garden, it is necessary that it provides the plants with the same growing conditions, such as the same fertilizer, the same soil, the same amount of soil and the same light intensity. solar. Only then did she manage to perceive natural and unprovoked changes in the growth rate of plants.
After that, she should look for newspaper articles and journals where experts describe, based on scientific evidence, what the growth rate is for each species observed.
