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:
Legend holds that the blaze started when the family's cow knocked over a lighted lantern; however, Catherine O'Leary denied this charge, and the true cause of the fire has never been determined. What is known is that the fire quickly grew out of control and moved rapidly north and east toward the city center.
End date: October 10, 1871
Start date: October 8
Explanation:
