Etchplain is a plain where the bedrock has been subject to considerable subsurface weathering is called an Etchplain. The process of the formation of Etchplains is called Etchplantation.Flared slope is a rock-wall with a smooth transition into a concavity at the foot zone is called a Flared zone. They are found in a variety of climates. They are most common in granitic rocks.
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.
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