17580
The primary objective of the present study was to examine and compare the effects of exposure to untreated oil ( weathered Arabian light crude oil ) , chemically dispersed oil ( Finasol , TOTAL - Fluides ) or dispersant alone , upon the ability of fish for environmental adaptation .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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