A . Big bad bill better bring boxes before Bart bails
If you dont mind me asking, what is the underlined word?
It is
"The life of an immigrant is difficult.
Immigrants tend to live in one area."
I think.
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>
