In what year did the us gain independence?

What is the primary purpose of a game reserve?

What is the main conflict in marriage is a private affair

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