What explains how the Hawaiian Islands formed as a chain? A. The Hawaiian hotspot moved under the Pacific plate exuding lava that created a chain of islands.
B. Volcanic hotspots appear spontaneously along the Pacific plate exuding lava that created a chain of islands.
C. The Pacific plate moves over a stationary hotspot exuding lava that created a chain of islands.
D. The Hawaiian Islands were formed by tectonic uplifting of the Pacific plate.

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.

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answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.