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.
Demographic Dividend – The opportunities provided by a country’s demographics in which the working population is much more than the dependent population is called demographic divided. For taking advantage of this dividend, skill development is must as it allows the youth to get adequate and meaningful jobs.
EXAMIANS