As a result of the Neolithic revolution, by 3,000 BCE, the world’s human population grew to seventy-five million. Therefore, D is the correct option.
What is the Neolithic revolution?
The Mesolithic era was succeeded by the Neolithic times. The Neolithic times were the transition from hunting and gathering to an agricultural society. The Neolithic revolution is also referred to as the agricultural revolution.
This was a critical period since humans began cultivating plants and also started to tame animals for the purpose of food. This period led to the settling of humans since they were now engaged in plantations that required constant care and support.
Therefore, due to easier access to food and shelter, the population during the neolithic period increased by up to 75 million. Therefore, D is the correct option.
To know more about the Neolithic period, visit the link below:
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