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Which mechanism limits water ascent height during mangrove transpiration?

A)Aquaporin channel blockage limits root uptake
B)Stomatal closure resists water flow
C)Cavitation disrupts xylem water columns
D)Cuticle wax inhibits leaf diffusion

💡 Explanation

Xylem height is limited by the cohesion-tension mechanism. Cavitation within the xylem vessels disrupts this continuous water column during transpiration, because air bubbles form at elevated tensions; therefore height is limited, rather than root pressure being the main constraint.

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