The approximate population of India is ___. A. 900 million

B. 1.3 billion

C. 1.1 billion

D. 2 billion

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