Many scientists believe that the first paleo-indians in north america arrived between 30,000 and 13,000 years ago. became extinct because the climate got too cold. built boats to sail along the coast and trade with north america. used the land bridge between asia and north america to facilitate trade.

The correct answer is A) arrived between 30,000 and 13,000 years ago.

Many scientists believe that the first Paleo-Indians in North America arrived between 30,000 and 13,000 years ago.

According to historians, Paleoindians or Paleoamericans were the first people that inhabited the North American territory when they crossed from Asi through the Bering Strait, at the end of the Pleistocene period or last glacial era. In that time, the Bering Strait was frozen and humans from Asia could cross through a land and ice bridge. This strait divides Alaska and Russia.