Question

why do 90 per cent of the worlds total population concentrate in the Northern hemisphere​

Answer 1

Answer:

because most of the land masses lie in the Northern part of the earth which has fertile soil which is better for people to reside. It has adequate minerals, ores, mines, natural vegetation and many more things which are required.

Explanation:

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Answer 2

Answer:

Because, in Northern hemisphere fertile soils are found , industries are found, jobs are easily available, so most of the people want to live in Northern hemisphere.