How were early new guineans different from australia’s first people?

a. they were among the first people to discover farming.
b. they lived by hunting, fishing, and gathering.
c. they were divided into hundreds of distinct ethnic groups.
d. they migrated to the pacific region from another part of the world .

It was the first time any human had managed to leave the Afro-Asian ecological system." The earliest evidence of humans in Australia is at least 65,000 years old. ... People appear to have arrived by sea during a period of glaciation, when New Guinea and Tasmania were joined to the continent of Australia.

Explanation:

explanation:

sorry english

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.