Arc LM on circle O has a measure of 40°.Circle O is shown. Line segments L O and M O are radii. Sector L O M is shaded. Which statements are true? Check all that apply.

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