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1990 WAEC Biology Practical List two diseases that may be spread as a result of poor irrigation system.

Biology
WAEC 1990

List two diseases that may be spread as a result of poor irrigation system.

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Explanation

(i) Guinea worm disease (ii) Damping off of seedlings.

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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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