The………oxygen is present in atmosphere.
a) 21%
b) 23%
c) 19 %
d) 25 %
…………consist of rocky crust of earth, soil mineral and organic matter.
a) hydrosphere
b) lithosphere
c) atmosphere
d) biosphere
Hydrosphere consists of all water bodies like
a) oceans
b) lakes
c) springs
d) all of these
The …… is the region of earth that is capable to support life.
a) biosphere
b) lithosphere
c) hydrosphere
d) all of these
Layers of the atmosphere:-
Generally, ………extends up to about 500 km from the earth’s surface.
a) atmosphere
b) lithosphere
c) biosphere
d) hydrosphere
