Answer:
This signal is not directly visible in raw seismic records
Explanation:
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To find the mid point,here's the formula:

In this case:
((5+1)/2,(5+2)/2)
=(6/2,7/2)
=(3,3.5) or (3,7/2)
Therefore the answer is (3,3.5) or (3,7/2).
Hope it helps!
Answer:
The divide the continent into five regions in order to make the geographical analysis of the continent more detailed and specific. It is also easier to obtain geographical information from each of the five regions than from the continent as a whole.
The five geographical regions of Asia are:
West Asia
East Asia
South Asia
Southest Asia
and Central Asia
(21.62% as of 2017) hope this answer helps! :)