ANSWER ASAP People who were in deep debt from buying stocks on margin throughout
the 1920s were then unable to walk away from the stock market because
they needed a big payoff to cover their debts. This led to the Crash because
people continued to play the stock market throughout the 1920s without
putting enough cash into it to create real value.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.

b. florence

d. milan

barrio is a spanish word meaning neighborhood. in spain, several latin american countries and the philippines, the term is also used officially to denote a division of a municipality while a ghetto is a part of a city in which members of a minority group live, typically as a result of social, legal, or economic pressure. the term may have originally been used in venice to describe the part of the city to which jews were restricted and segregated.