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In the absence of vasopressin,urine is isosmotic with plasma.
Rivers
Large natural streams of water flowing in a channel to the sea, a lake, or another such stream.
Atmosphere
The layer of gases surrounding a planet or moon, held in place by gravity, vital for sustaining life on Earth.
Groundwater
Water that fills the spaces in underground soil and rock, supplying wells and springs.
Lakes
Large bodies of water surrounded by land, usually freshwater and derived from glacial activity, tectonic movements, or old river beds.
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