13285
As degradations were dose - dependent , none of the calculated predictions were precise for the entire concentration range , although combining both predictions led us to conclude that lethal toxicity was well predicted by concentration addition and sublethal toxicity by independent action .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None