Why are floods in urban areas particularly dangerous?

Which revolution led to the development of these civilizations?

Can you give me 10 impacts of global warming? the one that gives me causes and responses gets the brainliest answer : )

Reading graphs: unemployment us unemployment rate (1961-2011) identify the trends in the graph and then use the drop- down menu to complete each statement from 1961 to 1965 unemployment was in the mid-2000s through 2011. unemployment was percentage unemployed 1961 1971 1981 1991 2001 2011 year