Pond is smaller and less deep than:
lake
well
tube well
canal
Water contained in all oceans constitute about
96.5%
71%
29%
92.4%
Ocean water cannot be used by man because of its:
abundance
salinity
fishing
distribution
Snowfall that is accompanied with rain is called:
glacier
precipitation
Sleet
Fog
The point from where a river originate is called:
head
valley
mouth
tail
What makes the lakes saline?
it is perennial
it is fresh
high rate of evaporation
it is non-perennial