The answer is A: The argument is not sound the author uses circular logic.
Answer:
What Happened? Which Characters caused it to happen?
Explanation:
That is my best guess.
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>
Answer:
"How about", my mom asked, "we make sandwiches".
