Question

High Pacific islands are formed by _____.

Answer 1

High Pacific islands are formed by underwater mountain chains or what is called a mid-ocean ridge or MOR. These underwater mountain chains are formed by tectonic plates and they usually have a valley or what is called as a rift.

Answer 2

Answer:

High Pacific islands are formed by the midoceanic ridge.

Explanation:

• The small pieces of lands that are seen in the middle of oceans are due to the undulations in the elevation of the seafloor.

• The consistent eruptions of lava in the middle of the oceans caused the mid oceanic ridges to form.

• Some of these ridges rose above the sea level and made high islands.

• There are many such islands in the Pacific Ocean out of which, the South Island of the New Zealand is the biggest.