Which sea was considered to be non-navigable?

Black Sea
Red Sea
Yellow Sea
Sargasso Sea
The Atlantic Ocean's Sargasso Sea was named after the Sar­gas­sum seaweed, which floats en masse on the surface there. Although it was formerly thought to cover the entirety of the Sargasso Sea, making nav­i­ga­tion im­pos­si­ble, it has since been found to occur only in drifts. The historic in­ci­dents of sailing ships being trapped there are now con­sid­ered due to the often calm winds of the horse lat­i­tudes.

Answers distribution

Black Sea
Red Sea
Yellow Sea
Sargasso Sea
answers
flagDenmark
6%
10%
6%
75%
29
flagItaly
13%
9%
2%
73%
72
flagUkraine
8%
8%
8%
73%
34
flagthe Netherlands
13%
7%
5%
71%
52
flagSpain
10%
14%
3%
71%
28
flagLithuania
8%
21%
0%
69%
23
flagAustria
12%
9%
9%
68%
32
flagGreece
13%
18%
0%
68%
22
flagGermany
10%
15%
7%
67%
184
flagBelgium
20%
8%
8%
64%
25
flagPoland
14%
13%
8%
62%
12013
flagFrance
14%
8%
11%
62%
35
flagthe United Kingdom
18%
11%
10%
59%
399
flagthe United States
19%
9%
11%
57%
446
flagNorway
15%
9%
18%
57%
33
flagRepublic of Ireland
18%
16%
8%
56%
37
flagAustralia
24%
20%
0%
56%
25
flagCanada
10%
20%
10%
52%
48
flagUnknown
22%
16%
13%
47%
400
flagIndia
29%
13%
21%
32%
37

Gender

men56%
women57%
Black Sea
17%
17%
Red Sea
16%
14%
Yellow Sea
9%
10%
Sargasso Sea
56%
57%

Details

Author: Lynn Desmond
Illustration: NOAA Photo Library
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