18331
The effects of the higher temperature and Cd on newly hatched neonate survival were additive , except at the highest Cd concentration , at which effects of the 2 stressors were greater than additive .
 Chemical: Cd; Chemical: Cd
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Cd, Cd 
Answer:
 Chemical: Cd; Chemical: Cd