Answer: More rarely, ocean trenches can be formed when two plates carrying oceanic crust meet. The Mariana Trench, in the South Pacific Ocean, is formed as the mighty Pacific plate subducts beneath the smaller, less-dense Philippine plate.
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Most common: Limestone, Dolomite, Chert
Not Common: Arkose, Oolite, Marl, Diatomaceous Earth, Jaspillite
It was most likely warm in antarctica before the asteroid hit.
Answer:
- fragmenting states
- artificial landmasses
Explanation:
There are several ways a new state could form even if all of Earth's land was allocated to current nations. One of the possibilities is that a current state fragments to form two (or more) smaller states.
Another possibility is that nations construct artificial landmasses or habitable platforms in the oceans that are independent countries. Finally, in the future it may be possible to settle the continent of Antarctic if the Antarctic Treaty is ever not renewed.
