Water cycle: Precipitation, Condensation, Runoff, Surface water, Evaporation, Structure of the Hydrosphere: Salt water, Fresh water, Glacier, Iceberg, Atmosphere water vapor, Aquifers and Groundwater: Aquifer, Water table, Recharge, Cone of depression, Confined aquifer,

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?