Page 3 - PROPERTIES OF WATER AND IMPURITIES IN WATER
P. 3
t
a
b
i
e
W
o
t
r
s
a
e
• •Water is said to be a
a
d
s
i
renewable resource but
r e n e w a b l e r e s o u r c e b u t
r
h
h
a
w
t
h
c
a
i
e
t
h
u
n
ma
e
s
the rate at which humans
t
and animals are using
a n d a n i ma l s a r e u s i n g
w a t e r , f r e s h w a t e r mi g h t
water, fresh water might
s
i
c
n
e
be a scarce resource in
e
c
r
a
b
r
c
a
u
e
e
o
s
r
t
f
r
.
u
n
the recent future.
h
c
e
r
e
u
t
e
e
t
ma
s
o
l
u
e
s
d
p
a
d
o
r
y
O
b
i
• •Our body is also made up
u
w
a
e
r
0
u
n
d
7
a
o
t
of 70% water and we use
f
%
s
w
e
e
o
r
e
t
e
r
a
n
w
o
r
u
f
a
mb
water for a number of
f
reasons from cooking to
r e a s o n s f r o m c o o k i n g t o
cleaning and of course
c l e a n i n g a n d o f c o u r s e
d
n
d
i
a
drinking it. Plants and
r
a
t
k
n
n
g
i
.
n
i
s
Pl
t
o t h e r o r g a n i s ms a l s o n e e d
other organisms also need
r
a
e
o
u
.
e
h
t
r
v
t
v
a
water for their survival.
w
r
i
i
l
f
s
r

