Watter (or wattir) is a common chemical substance that is needit bi aw kent furms o life. Forordnar, watter refers anerlie til its liquid furm or state, but the substance haes a solit state, ice, an a gaseous state, watter vapour an aw. Aboot 1,460 teratonnes (Tt) o watter haps 71% o the Yird's surface, maistlie in oceans an ither mukkil watter bodies, wi 1.6% o watter ablo the grund in aquifers an 0.001% in the lift as vapour, cloods (shapit o solit an liquid watter pairtikils suspendit in the lift), an preceepitation. Sum o the Yird's watter is inheld in man-makkit an naitural objeks naur the Yirds's surface sicas watter touers, ainimal an plaunt bodies, manufactured products, an hain'd fuid.
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- Water Vapor in the Climate System, Special Report, [AGU], December 1995 (linked 4/2007). Vital Water UNEP.
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