Point from where a river originates is called:
head
valley
mouth
tail
The largest of all oceans:
Atlantic
Indian
Pacific
Arctic
Areas that receive large amount of rainfall have the problems of flood and marshy lands in:
Desert areas
Polar areas
Equatorial areas
Hilly areas
Snowfall that is accompanied with rain is called:
glacier
precipitation
Sleet
Fog
A long period when it does not rain and there is a scarcity of water
Spring
summer
drought
autumn
Ground water is the____________source of water for man.
Ordinary
secondary
main
unimportant
Area that slopes down on drains to the main river is called:
river basin
mouth of the river
head of the river
tail of the river
Heavy rainfall leads to :
Earthquakes
floods
spring
What makes the lake saline?
it is perennial
it is fresh
high rate of evaporation
it is non-perennial
Area that receive little rainfall face drought conditions in :
polar areas
desert areas
Mountain areas
