1549
A typology of envirome health hazards suggested by McDowall is The time-scale of the envirome hazard is another possible dimension of classification ; an envirome hazard are said to be a sudden change ( such as a disaster ) , a rapid environmental change , or a slow change or a static situation .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None