Grain farming is done for economic activity and this makes it commercial. It is highly specialized and mechanised. The yield per acre is low so the farms are big. The yield is high per man so little manpower is needed for production. Grain farming is subject to market conditions like climate.
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In my opinion I think that's it's number 4
The feds provides banking services for providing<span> financial </span>services<span> to depository institutions. </span>
A. Basins are the landforms that are most likely to have coal, oil and gas deposits. Much of the countries natural gas, oil and coal are deposited in the bottom of basins.
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Iceland celebrates the first day of summer as an annual public holiday in April.