Question

The smoke signals used (..1..) American Indians did not convey the complex messages seen in Hollywood movies. Smoke signals (..2..) in
fact used by the semi-nomadic tribes of the Great Plains. However, their content was limited (..3..) a few simple messages whose meaning
had been agreed upon in (..4..). For example, Piman warriors in Arizona who had just finished a successful raid might send up a column of
(..5..), and the village would reply with two columns of smoke. Smoke signals (..6..) most commonly used to broadcast news of victory in
battle, or to warn of sickness in a camp or dangers (..7..) as approaching enemies. Fires fed (..8..) damp grass or boughs of evergreen sent
up the one or two simple, unbroken columns of smoke needed to send a message. The place that the signal comes from - (..9..) on a hill or
in a valley - conveyed most of the meaning. When Apaches out hunting spotted another group of Indians in the distance, they (..10..) a fire
conspicuously to the right of their own party that meant “who are you?”.
VIII. Word f