Question

What was the period in which major environmental changes took place?​

Answer 1

ANSWER:

Environmental change is a change or disturbance of the environment most often caused by human influences and natural ecological .

End of the pre-Boreal period of European climate change. Pollen Zone IV Pre-boreal, associated with juniper, willow, birch pollen deposits.

Answer 2

Answer:

Explanation:

The answer is the Mesolithic period.in this period the stone tools were relatively smaller in size and some were attached to make saws and sickles.Hope this answer helps you and please vote quickly.