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                       4.  The third factor that contributes to air pollution – one that cannot be changed – is the
                          combination of weather and geography.

                       a) confrontation;
                       b) contamination;
                       c) oblivion;
                       d) possession.

                       5.  Among the serious threats to people posed by these pollutants are respiratory irritation,
                          cancer, kidney and liver damage, anemia, and heart failure.

                       a) defence;
                       b) protection;
                       c) danger;
                       d) safeguard.

                       6.  There is a hope that one of the most beautiful and the deepest lakes of the world will
                          never die.

                       a) expectation;
                       b) anticipation;
                       c) despair;
                       d) response;

                       7.  But then the water of the rivers was diverted to cotton plantations.

                       a) deliver;
                       b) discourage;
                       c) encourage;
                       d) deflect.

                       8.  The  Mediterranean  Sea  and  the  North  Sea  are  half  dead  because  great  amounts  of
                          chemical and nuclear waste were dumped into their waters.

                       a) squander;
                       b) profusion;
                       c) abundance;
                       d) wealth.

                       9.  The  fundamental  issues  are  (1)  how  to  restore  damaged  or  contaminated  land  at  a
                          reasonable cost and (2) how to protect unpolluted land from future damage.

                       a) reimburse;
                       b) recollect;
                       c) renew;
                       d) destroy.

                       10. A  shortage  of  landfills  makes  garbage  disposal  an  especially  serious  predicament.
                          Incinerators are a possible solution to the problem of a landfill shortage, but they bring
                          with them their own problems.
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