IBDP IA writing
Budget: $10 – $30 USD
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What effect does calcium ion concentration (ppm) have on the rate of growth of Cucurbitaceae (Melon) as measured by height change per week over a three-week period?
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What effect does calcium ion concentration (ppm) have on the rate of growth of Cucurbitaceae (Melon) as measured by height change per week over a three-week period?
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