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Time, space, and energy phenomena can be observed at various scales using models to study systems that are too large or too small. The observed function of natural and designed systems may change with scale. Scientific relationships can be e use of algebraic expressions and equations.
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Xylem,phloem and tissues from vascular systems produce stem
Xylem + phloem+ tissues from vascular systems = stem ( transport systems)
Classification of living things takes into consideration of everything, except A. The number of cells the organism is found to have.
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where is the picture or what is it talking about?
