Yes that was his best method
Relative location isn't the exact location so they would have to be using their mental imagery of a map. For example, after you go to fro a place so many times, you will grow accustomed to it thus by using mental imagery of a map would be a good answer.
Yess Could you explain more and I’ll get back to ya
I believe its b , hope it helps
Answer:
Explanation:
Introduce better flood warning systems
Modify homes and businesses to help them withstand floods
Construct buildings above flood levels
Tackle climate change