Fill in the blank

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           a            because of            blown            causes            normal

          dry              suffer              irrigated            wells              drops

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Drought is a condition that results when the average rainfall for a fertile area (1)                              far below the normal amount for (2)                           long period of time. In areas that are not (3)                    , the lack of rain (4)                                         farm crops to wither and die. Higher than (5)             temperatures usually accompany periods of droughts. The soil of a drought area becomes (6)               and crumbles. Often the rich topsoil is (7)                                              away by the hot, dry winds. Streams, ponds, and (8)                                         often dry up during a drought, and animals (9)                 and may even die (10)                                                the lack ofwater.