7st geography Name the following.
1.Movement of sea water.
2.I am not a regular occurence.
3.Phases of the moon .

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