Sargasso Sea is formed due to -

a. South Pacific Gyre

b. South Atlantic Gyre

c. North Pacific Gyre

d. North Atlantic Gyre

ANSWER: North Atlantic Gyre

Explanation:

- The Sargasso Sea is a region in the gyre in the middle of the North Atlantic Ocean.

- It is the only sea on Earth which has no coastline.

- Sargasso Sea is distinctive for its deep blue color and exceptional clarity, with underwater visibility of up to 61 m.