Arrange the following developments in remote sensing in chronological order.
A. Google Earth serves Digital-Globe and Landsat TM data.
B. SPOT1 launched.
C. ERTS-1 launched
D. IRS-1C launched.
Choose the correct answer from the options given below:
1
A, B, C, D
2
D, C, B, A
3
B, D, A, C
4
C, B, D, A