States.....................................
An event causing great and often sudden damage or suffering; a disaster.
"A national economic catastrophe"
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>
The answer which correctly analyzes each word’s part of speech in the sentence given is this:
During (prep), that (demonstrative adj), epidemic (n), early (adj), warnings (n), circulated (v), widely (adv).
During = indicates the preposition of time
That = modifies the noun epidemic
Early = modifies the noun warnings
Circulated = functions as an action word
<span>Widely = modifies the verb circulated</span>