IB Biology Internal Assessment Exemplar: How does the variation in caffeine content across three Philippine coffee varieties (Coffea arabica, Coffea canephora, and Coffea liberica) in a nutrient solution affect the stem length of hydroponically grown mung beans (Vigna radiata)?

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IB Biology Internal Assessment Exemplar: How does the variation in caffeine content across three Philippine coffee varieties (Coffea arabica, Coffea canephora, and Coffea liberica) in a nutrient solution affect the stem length of hydroponically grown mung beans (Vigna radiata)? | RevisionDojo