Improvement in Food Resources — Science STD 9 — Question
Gujarat BoardEnglish MediumSTD 9ScienceImprovement in Food Resources1 Mark
Question
Open wells are not very _______.
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Answer
Open wells are not very deep. Explanation: They are not very deep (generally 3 to 15m). They have relatively large diameter (generally 1 to 5m) and low yields (generally less than 30 m3/ hr).
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