Question

In 1800 human population reached 1billion how many year did takes to reach 2billion?​

Answer 1

Answer:

A tremendous change occurred with the industrial revolution: whereas it had taken all of human history until around 1800 for world population to reach one billion, the second billion was achieved in only 130 years (1930), the third billion in 30 years (1960), the fourth billion in 15 years (1974), and the fifth billion in only 13 years (1987).

Explanation:

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