Answer: Marina Trench
Explanation: The Mariana Trench stretches 2,500 kilometers (1,500 miles) in an arc that is edged by islands such as Guam and Saipan. Its deepest point is known as the Challenger Deep.
I think option 4 okay coper thnaks u
Answer:
Cost Issue
Explanation:
Their funding hasn't been secured to repurpose the land.