GPS is a widely used tool for navigation & position tracking. Which of the following is/are the applications of GPS.
1. Agriculture
2. Environment
3. Robotics
4. Public Safety & Disaster Relief
Select the correct answer using the correct codes given below.
1
1, 2 and 4 only
2
2 and 3 only
3
1 and 4 only
4
1, 2, 3 and 4