GENERAL KNOWLEDGE

Detailed explanation-1: -8000 BC that agriculture developed throughout the Americas, especially in modern Mexico. There were numerous New World crops, as they are now termed, and domestication began with the potato and the cucurbita (squash) about this time.

Detailed explanation-2: -Scientists from IIT-Kharagpur and Archaeological Survey of India (ASI) have uncovered evidence that the Indus Valley Civilization is at least 8, 000 years old, and not 5, 500 years old, taking root well before the Egyptian (7000BC to 3000BC) and Mesopotamian (6500BC to 3100BC) civilizations.

Detailed explanation-3: -10, 000 years ago (8, 000 BC): The Quaternary extinction event, which has been ongoing since the mid-Pleistocene, concludes.