When is a large scale map beneficial? When is a small scale map beneficial? I need this soon please help

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

Can someone answer all these questions i need it done by tonight. once again

Which of the layers of the earth has the following three characteristics? i. it is a solid outer layer. ii. it is between 3 and 30 miles thick. iii. it is separated into plates. a. the outer core b. the inner core c. the mantle d. the crust