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Description
Grades 5–12. For a class of 32 students. Measure the effect of acid precipitation on plant growth and productivity. Experiment time is 45 days. Sold to educational and research institutions only.
Grades 5–12. For a class of 32 students. Measure the effect of acid precipitation on plant growth and productivity. Experiment time is 45 days.
This item is sold and shipped to educational and research institutions only. Not available to businesses, individuals, or residential addresses.
