<span>President John F Kennedy appeal to Americans' sense of patriotism in his inaugural address as h</span>e reminds them that the United States has a long tradition of fighting for freedom at home and around the world.
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The correct answer to this question is:
"Relative abundance is a comparison between the isotopes and Percent abundance is a comparing the totals." Relative<span> species </span>abundances tend to conform to specific patterns. Percent abundance <span> can be calculated by finding the percentage of an isotope compared to another isotope of an element using its relative atomic mass.</span>
I believe it is A. It talks about forging a new nation so A seems to be the best answer.
