QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS
VERIFIED LATEST UPDATE GRADED A++
Water Surplus When input is more than output,
more water is received than lost,
and a catchment is likely to have
more than enough water
available
Output The situation when water leaves a
catchment area
Input The situation when water enters a
catchment area
Water Deficit When output is more than input,
more water is lost than received,
and a catchment is likely to have
less water available than is
, enough
Percolation The downward flow of water through soil
into the groundwater due to gravity
Infiltration The process in which water enters the
ground or soil
Natural process A series of changes that happens
naturally
Groundwater flow Very slow movement of water below
Earth's surface
Soil moisture Water present in soil pores
Soil The layers of natural material that help
plants to grow
Catchment An area that receives water input and
contributes water to the hydrological
cycle
Bedrock The solid mass of rock found deep
underground