During the Paleolithic Age Old Stone Age
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The industrial revolution lead to major economic changes and growth. Due to the rise of new technology, many job opportunities were available. Immigrants especially those who were entering the US during the 1800's, were able to find work on railroads. Eventually as more modern day technology was proposed to society, individuals were able to benefit in their work field and at home. For example the light bulb, allowed homes to run with electricity and the telephone made long distance communication much simpler. These new inventions allowed the nation to develop a stronger military and navy, which improves the nations economy during times of war.
Answer:
As the disappearance of the otters, the diet of the glaucous-winged gulls change from eating fishto consuming invertebres mainly. When Otters disappear, kelp is also disappear and that leads to the disappearance of kelp fish. Due to survival of the fittest, glaucous-winged gulls have to switch their diet to mainly invertebres.
Explanation:
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