The term just noticeable difference is synonymous with threshold

How do economists measure the success, or shortcomings, of the economy?

Aman is charged a fee by the city for having numerous broken cars and auto parts in his front yard. which of the following correctly best describes why the city punish him? he has committed a crime. he is in violation of a city statute. he has violated an amendment of the u.s. constitution. a judge has decided that he is in violation of civil law.

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene