Physical environment is also known as ______________.
Biological environment
Human environment
Natural environment
None of these
The body of Earth is known as ____________.
Atmosphere
Hydrosphere
Biosphere
Lithosphere
_____________ occurs about 29% of the total surface area of the Earth.
The lower portion of atmosphere contains ______________.
Carbon dioxide
Hydrogen
Oxygen
The environment comprises of ________ major spheres.
Two
Three
Four
Five
____________ consists of all the life forms environment.
Physical environment
__________ consist of all the non- living things and inorganic matters.
There are ________ kinds of environments.
Natural environment consist of _____________.
Air
Water
Land
Air, water and land