hydrosphere friends do you know
something if you view a planet Earth
from the space it looks blue as major
part of the Earth's surface is covered
with water and this is the reason why
Earth is known as water planet or blue
planet and this abundance of water is
what distinguishes Earth from other
planets of our solar system let's know
some more things about this interesting
feature of our earth that is that
hydrosphere we all know all the water on
the surface below the ground and
surrounding the earth comes under
hydrosphere we can also see water in
different forms like in rivers seas
oceans snow drain glaciers ice caps etc
here if we observe water is present in
solid form in glaciers snow and ice caps
whereas it exists in liquid form in
rivers seas oceans and rainfall now can
water be present in gaseous state
friends we all have seen the steam
coming out from the boiling water
this steam is water in its gaseous state
so we can say water exists in all three
states of matter solid liquid and gas
now if we look at the distribution of
water in different forms on earth 71% of
her earth is covered with water and the
remaining 29% is land
and around 97% of this water even seas
and oceans and so we call this water as
marine water or saline water as it has
more amount of dissolved salts and so
it's not fit for drinking and the
remaining 3% is freshwater you recall it
as fresh water because the dissolved
salt content is very less and that is
the reason why it is fit for drinking
and of the total fresh water major part
is locked in glaciers and ice caps
followed by underground water and just a
small amount is located in rivers and
lakes so we can compare this small
portion of water which is available for
drinking with the total water available
on the earth and this is the reason why
we must put efforts in conserving water
here I remember the lines from the
rhymes of ancient marina water water
everywhere but not a drop to drink it
stands true completely in case of a
planet Earth as we have seen just now
that a washed majority of a road surface
is covered by water but only a small
portion of it is fit for drinking water
plays a crucial role in survival of
living organisms on earth where there is
water there is life it is not just the
earth that is majorly covered with water
but do you know water makes up
approximately 70% of human's body weight
an average person could live without
food for nearly a month but it would
just be difficult for us to survive even
for a week without water that's how
important water is to human life so to
know more details about hydrosphere
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