Guinea-Bissau, Angola, and Mozambique gained independence from Portugal.The Soviet Union and the Soviet Bloc broke apart.
The Environmental Protection Agency (EPA) was proposed by the President Nixon, this Agency followed a set of measures aimed to improve air quality, to avoid water pollution, to reduce the emission of dangerous fumes and to invest in preventive strategies against oil spills. The EPA had many responsibilities in the United States, two of them were to research about pollutants and to set standards for factories to reduce their impact on the environment.
assuming efficiency of each man to dig trench, in one day, for one hour is constant,
so one man, working for one hour in one day can dig 1.5 m
so 8 men, working 3 hours a day and will take, say $d$ number of days and efficiency will be constant. so,
$\frac32=\frac{220}{8\times3\times d}$
$\implies d=\frac{55}9=6.12$
I believe its Florida <span />
The correct answer is option A) "Frederick II took Silesia". In the Austro-Prussian War or Seven Weeks' War, the leader of Prussia King Frederick the Great resulted victorious over Austria. This changed the map of Europe because the kingdom of Prussia gained control of extensive new lands in Silesia, including highly industrialized and densely populated areas.
