How would you determine if certain minerals are essential for plant growth?
A) Crush the plant leaves, stems, and roots and measure which minerals are present after growth.
B) Grow the plant hydroponically without the mineral in question.
C) Weigh how much minerals are in the soil when the plant germinates and again after plant growth.
D) When the plant has grown, analyze the mineral deficiency symptoms.
Correct Answer:
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A) recycles
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A)
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A)They differ
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