25 Points! Will give brainliest if correct! How has the population in Ghana changed from how it was thousands of years ago?

It decreased because the ancient Africans used up northern Africa's resources.
It decreased because less rainfall caused northern Africa to become a desert.
It increased because farming methods improved and irrigation was introduced.
It increased because the diseases that killed early Africans became treatable.

(ﾉ◕ヮ◕)ﾉ*:･ﾟ✧How has the population in Ghana changed from how it was thousands of years ago? It decreased because the ancient Africans used up northern Africa's resources. It decreased because less rainfall caused northern Africa to become a desert. It increased because farming methods improved and irrigation was introduced.

Explanation: Hope this helps!

From: Kuro! ^^

It increased because farming methods improved and irrigation was introduced.

Explanation:

answer; ///the above statement is (true); //

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