Which clouds cause snowfall in very cold areas?
a) Cirrus clouds
b) Cumulus clouds
c) Stratus clouds
d) None of these
The height of Nimbus clouds from earth is about
a) 15 km
b) 7 km
c) 5 km
d) 2 km
Which of the following clouds cause heavy rainfall?
a) Cirrus clouds
b) Cumulus clouds
c) Nimbus clouds
d) all of these
Exercise:
The biggest source of water on the surface of earth are……….
a) springs
b) waterfalls
c) seas
d) oceans
Which of the following are subsurface sources of water?
a) rivers
b) lakes
c) aquifers
d) glaciers
