a thick subsurface layer of soil that remains frozen throughout the year, occurring chiefly in polar regions.
Option B (Sudan)
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Lithosphere provides us forests and grasslands for grazing land for agriculture and human settlements and also rich source of minerals. The lithosphere contains different types of rocks such as the igneous, sedimentary and metamorphic rocks, it helps to provide the necessary nutrients required to plants.
<h2>_______________</h2>
Answer:
B. 1 is the answer as slope = y2-y1/x2-x1
which is given as 8-5/8-5= 1
Answer:
They have a shared economy.
They allow easy migration