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Fifth Grade, Life Science, Lesson 11

Vascular plants have tubes. Xylem carries water to the plant. Phloem carries sugar throughout the plant.

From  LoriBelateche on February 11th, 2021 0 likes 20 plays

Chromatography of Leaf Pigments

Dr. Moira Milne of ConVal Regional High School explains the chromatography of leaf pigments.

From  hzrzavy on February 3rd, 2021 0 likes 45 plays