Answer:
False
Step-by-step explanation:
The most important development of the early Stone Age was the ability to communicate through art is a "false statement" or the second option. Although art was a good way to express one's emotion through picture it was not the primary way to communicate during the stone age neither was it important. The most important development of the early Stone Age would be creating language itself rather than communicating through art they communicate using language.
Hope this helps.