Page 3 - PROPERTIES OF WATER AND IMPURITIES IN WATER
P. 3

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                             e
                     W
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                                        s
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                   • •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


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                                                             u
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                                                                        s
                   the rate at which humans
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                   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
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                                                          r
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                                                        .
                                             u

                                     n
                   the recent future.
                     h
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                                                  s




                                                                d
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                     O

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                   • •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

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                              %
                                                                     s
                                                           w
                                            e
                                                                        e

                                                              o
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                         t
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                              r

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                   w

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                                               u

                                                                 f
                                        a

                                                  mb
                   water for a number of

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                   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
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                                            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
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                                 f
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                                                 r
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