Social psychologists and police officers tend to agree that if a window in a building is broken and is left unrepaired, all the rest of the windows will soon be broken. This theory is known as the .

broken-window theory

Explanation:

One of America's most popular crime and police theories is broken window theory which sum-mates how something simply disregarded can easily become a vandal object. The hypothesis links chaos and incivility to subsequent occurrences of severe crime in the context of a community. This theory is based on the notion that serious crime as the final result of a long chain of disordered events and that there would be no serious crimes if disorder were removed.

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.

answer; first blank(1); 30% two(2); salmonella; i believe this is correct; //good luck;