groundwater
Groundwater is the water located beneath the earth's surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water.(Wikipedia,2014)
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Επιστήμη
- Category: Γενική επιστήμη
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Δημιουργός
- cohly
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(Perth, Australia)