Answer:
Mesolithic Era
Explanation:
The Climate, geographical condition, and biological diversity in The Mesolithic era is drastically different from the current condition because the era was formed shortly after <em>the Last Glacial Maximum.</em>
Before last glacial maximum, the environment surrounding Europe is still covered in ice sheets. After the last glacial maximum period. the temperature in this territory started to rise. Causing a change in climate, land forms, and the type of organisms that can survive.
