Gravitational force felt with in ___________ km from the Earth surface.
1600 km
99 km
32 km
45 km
We can protect our environment in _____________ ways.
Only one
Two
Three
None of these
A 'sphere of life'.
Hydrosphere
Biosphere
Lithosphere
The environment comprises of
Four
Five
Human environment consist of
Non living things
Inorganic matters
Only the life forms
Only the man made features
Biosphere is a combination of .
Hydrosphere and lithosphere
Lithosphere and atmosphere
Lithosphere, hydrosphere and atmosphere
Physical environment is also known as
Biological environment
Human environment
Natural environment
The literal meaning of atmosphere
Layer of air
Sphere of air
Envelope air
We can protect our environment by ____________ .
Using the natural resources carefully
By preserving the natural resources as much as possible
Both 1 and 2
Natural environment consist of
Air
Water
Land
Air,water and land
