giải thích giúp mình với mọi người 
VII. Read the text and fill in the blanks with the suitable words.

                        successful       effect              communicative          poisons

                        harmful          with                increasing                  major

WATER POLLUTION IN INDIA

      Contamination of water from any external source that makes it (1)        harmful      to life is known as water pollution. (2)    with    the fast industrial development and modern civilization, the problem of water pollution is (3)    increasing      day by day. The (4)            major sources of water pollution are domestic wastes, agricultural wastes, sewage disposal, industrial wastes, radioactive wastes and oil leakages.

      All the India rivers, including the holy river Ganga, have become highly polluted today. However, the Ganga Action Plan to control its water from pollution has not been proved (5) successful . The (6)         communicative                      of water pollution is widespread. It causes many severe water-borne diseases.

      According to WHO, 21 per cent of all (7)            effect  diseases in India are water­ borne diseases. Oil is the main pollutant of the sea water. Huge tankers often dump oil into the sea. This act of dumping (8) poisons           kills sea plants and animals.