Answer:
Explanation:In a study published to Proceedings of the National Academy of Sciences, they explain that this new framework could help to prevent future catastrophes as the modern world copes with major societal shifts.
The researchers from the University of Maryland and University College London investigated whether early warning signals are present when an ecosystem begins to show declining resilience.
This phenomenon can indicate the forthcoming of ‘major reorganization,’ or a regime shift within the ecosystem, and subsequently, a collapse.
To do this, they examined 2,378 archaeological sites from nine regions of Neolithic Europe.
Answer:
He created one of the world's first empires.
The products produced on the prairies went mostly to the market of A. TO PEOPLE IN THE CITIES.
The American prairie is a large area of level land with deep, fertile soil; a cover of tall, coarse grasses; and few trees.
The Great Plains became on of the most productive farmlands in the world.
Answer:
They use the fossils , they use the process of carbon dating and they compare the activities and characteristics of human with other animals such as chimpanzees, gorillas, monkeys and so on in order to study about early humans
Explanation: