4712
Environmental variables altered by GCC ( temperature , precipitation , salinity , pH ) can influence the toxicokinetics of chemical absorption , distribution , metabolism , and excretion as well as toxicodynamic interactions between chemicals and target molecules .
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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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