Answer:
They developed some ways to get resources from both the forest and the sea environment of the west coast.
Step-by-step explanation:
Tlingit, Haida, and chinook can be regarded as three out of the famous tribes in Northwest Coast Native Americans. Others are chimakun and Eyak. Their geographical environment is known with dense forest, they also have heavy rainfall, as well as different rivers.
The natural resources that is associated with Northwest Coast Native Americans, in which Tlingit, Haida, and chinook are part of their tribe are Red ciders, mountain and forest.
It should be noted that Tlingit, Haida, and chinook were able to adapt their way of life to the forest and sea environment of the west coast by devicing ways to access resources from the forest and the sea environment of the west coast.