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← Nature & AnimalsWhich outcome develops when xylem vessel water pressure experiences rapid decreases?
A)Internal cavitation and xylem blockage✓
B)Increased mineral ion transport rate
C)Elevated root pressure throughout plant
D)Uniform increase of photosynthetic efficiency
💡 Explanation
When tension overcomes water's cohesive strength, gaseous bubbles form via cavitation; because plants rely on continuous unbroken water columns, this embolism consequently hampers water transport, therefore limiting the ascent of sap, rather than improving pressure elsewhere.
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