411 REFERENCE · Wikibooks
Basic Geography/Hydrosphere
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
The Hydrosphere describes all the water above, under, and on Earth or another planet.
Today's editionIndia · World · Your city
Sourced news from India & the world
Every story, the full picture
Public archive edition · Attributed source reporting with original dates · AI drafts are excluded