Some archaeologists believe that an effective language was developed alongside the first chopper tools around 2 million years ago by which human ancestor?

HOMO HABILIS

Explanation: Homo habilis is the name given to human ancestors who lived around two (2) million years ago around the stone ages,they have a larger braincase and smaller face and teeth when compared to the older Homo species. Some archaeologists are of the opinion and believe that they were the first to develop language together with the first chopper tools mainly made up of stone which they used for some the farming and or craft works they did.