Arrange the following theories in ascending order according to the year they were propounded
A. Central place theory - Christaller
B. Concentric Zone - Burgess
C. Sector Theory - Hoyt
D. Multiple - Nuclei - Harris & Ullman
Choose the correct answer from the options given below:
1
D, A, B, C
2
A, B, C, D
3
B, C, A, D
4
C, D, B, A