Answer:
Answer is Option A: They acted as gateways to gold-rush regions.
Explanation:
The Alaska's gold rush played a significant role in the economic growth of countries like Seattle and Portland. This led to economic dominance of these countries among Northwest cities.
The California's gold rush brought a sudden and large growing market for timber. That is when Seattle then got its first profits in trade of crushed or milled timber south to the Bay Area and the Sierra goldfields. It became the center for trade and the gold rush came to include Alaska. Thousands of men and women, who passed through Seattle on their way to the Klondike and Alaska and each industry of that region obtained a boost. Seattle merchants sold meat, dried fruit, and flour to the miners. They also sold clothing and equipment.
As Seattle "captured" the Alaska trade, it solidified the economic growth and ties between the city and Alaska grew stronger.
Answer and explanation:
The cell membrane has a major role in achieving homeostasis, that being as follows: The cell membrane has two layers that do not allow the transfer of water and ions. This makes possible the fact that cells concentrate more sodium ions outside the cell. The cell membrane also performs the task of pumping water in and out, thus affecting the concentration of the cytosol. To conclude, thanks to the cell membrane, cells can adjust to changing temperatures.
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