Th correct answer is letter A. Echo sounding is very useful for depth profiles where SONAR is used to determine the depth of water through the transmission of sound pulses. It is calculated by checking the interval between the mission and the pulse that is recorded within the SONAR device.
Wouldn’t it just be A? :))
the Babylonian Map of the World :)
≈ФωФ≈ More commonly known as the Babylonian Map of the World, the Imago Mundi is considered the oldest surviving world map. It is currently on display at the British Museum in London. It dates back to between 700 and 500 BC and was found in a town called Sippar in Iraq.
°ω° θεθ ⊕ω⊕ ∅¬∅