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 $15\ m)$. They have relatively large diameter $($generally $1$ to $5\ m)$ and low yields $($generally less than $30\ m^3/ hr).$
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