Arrange these geographers in order of their birth years, earliest first:
(A) M. V. Lomonosov
(B) Mary Somerville
(C) Friedrich Ratzel
(D) Vidal de Lablache
1
A, B, C, D
2
B, A, C, D
3
A, C, B, D
4
C, A, B, D
Arrange these geographers in order of their birth years, earliest first:
(A) M. V. Lomonosov
(B) Mary Somerville
(C) Friedrich Ratzel
(D) Vidal de Lablache