1. Swollen and spongy petioles or leaf stalks keep the water hyacinth afloat_________.
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Explanation:
(Eichhoria crassipes) plant afloat. Explanation: The bulbous stem/petiole is hollow/spongy/swollen and when filled with air, provides the buoyancy to the water hyacinth so that it can float above the water unsupported
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Answer:
Explanation:
true
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