The stem of a plant is growing upward while the roots grow down...

The stem of a plant is growing upward while the roots are downward. Which of these stimuli describe...

The stem of a plant is growing upward like the roots growing downward, which one of these stimuli co...

The stem of a plant is Growing up word with the root girls downward which of these stimuli correctly...

The stem of a plant is growing upward while the roots grow downward. Which of these stimuli correctl...

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