The answer is petroleum
hope this helps!
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The populations become completely separated from one another</span>
Most of the soil is Sandy and clayey soils are not uncommon. Pebbly and gravelly soils are rare. Kankar (calcareous concretions) beds are present in some regions along the river terraces. The soil is porous because of its loamy (equal proportion of sand and clay) nature
(Answer was from google)
Answer's
#1)
Farming
#2)
Rice
#3)
There are not enough natural resources to create necessary industries
( not too shore about 3 )
#4)
Oil
BRAINEST PLEASE
