The Plateau people had a diet mainly of fish. How could this be when they
didn't live by the ocean?

Please someone help this is due in a few minutes!!!

the Native American peoples inhabiting the high plateau region between the Rocky Mountains and the coastal mountain system.

The Plateau culture area comprises a complex physiographic region that is bounded on the north by low extensions of the Rocky Mountains, such as the Cariboo Mountains; on the east by the Rocky Mountains and the Lewis Range; on the south by the Blue Mountains and the Salmon River (excepting a narrow corridor to present-day California); and on the west by the Canadian Coast Mountains and the Cascade Range. It includes the watersheds of the Columbia and Frase

Explanation:

this scroll was the first major biblical manuscript of great antiquity ever to be recovered. the qumran isaiah scroll predated the oldest hebrew text preserved in the masoretic hebrew bible by a millennium.