Answer:
The answer is: 4, This region is home to high-tech industries as well as trade, logging, fishing and farming.
Explanation:
"Puget Sound Lowland" is a low-lying area that is wide. It is located between the "Cascade Range" and the "Olympic Mountains."
The place used to be abundant in coniferous forests before the settlement of the Europeans. Nowadays, it is said that no intact habitat remains in the region. This is because it is home to many high-tech industries, which makes it <em>densely populated.</em> Due to urbanization <em>(trade, logging, fishing, farming, etc),</em> <u>several threats to the region's habitat continue to remain.</u>
Thus, this explains the answer.