In which of the following activities Indian Remote Sensing (IRS) satellites are used?
1. Crop yield estimation
2. Location of ground water resources
3. Mineral exploration
4. Telecommunications
5. Traffic study
Select the correct answer using the code given below.
1
Only 1, 2 and 3
2
Only 4 and 5
3
Only 1 and 2
4
1, 2, 3, 4 and 5