Plant and animal domestication were two of the key elements of the Neolithic Agricultural Revolution. Which of the following would have been the MOST LIKELY result had plant and animal domestication NOT begun at this time?

Civilizations would have emerged in isolated regions of the world.
The world's total population would have increased dramatically.
Civilizations would have developed in regions without a major water source.
The world's population would have remained nomadic until these advances were made.
Civilizations would have developed in mountainous regions.

Question

Plant and animal domestication were two of the key elements of the Neolithic Agricultural Revolution. Which of the following would have been the MOST LIKELY result had plant and animal domestication NOT begun at this time?

Civilizations would have emerged in isolated regions of the world.
 The world's total population would have increased dramatically.
 Civilizations would have developed in regions without a major water source.
 The world's population would have remained nomadic until these advances were made.
 Civilizations would have developed in mountainous regions.