Bats use SONAR (Sound Navigation & Ranging).Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
Wind is an air movement having both direction and speed. Depending on the cause of the winds, they can blow in many directions.The Easterly winds blow from east to west whereas the westerly winds blow from west to east.
Since the demand for woollen garments is confined only to the colder parts of the globe, woollen textile industry ismuch smaller and less widely distributed than the cotton textile industry. Two-thirds of the world’s woollen mill capacity and production are located in Europe.
EXAMIANS