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.
Pastoral Herding is also known as nomadic herding and pastoral nomadism. This is an economic activity more advanced than food gathering and hunting because the people living by pastoral herding make at least some investment to enhance natural production. Labour to enhance and nurture the supply of animal products is the chief investment of the peopleengaged in this occupation.
EXAMIANS