About ……….of the water present on Earth is in the oceans.
a) 33%
b) 57%
c) 87%
d) 97%
World soil day is celebrated on………..
a) 5th January
b) 15th March
c) 27th August
d) 5th December
The earth surface consists on water…….?
a) 50%
b) 57%
c) 71%
d) 29%
Glass is made from:
a) sugar
b) sand
c) plastic
d) rubber
About what percentage of
the Earth’s surface is land?
a) 1%
b) 21%
c) 29%
d) 30%
