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
flagItaly
10%
12%
2%
75%
49
flagLithuania
0%
25%
0%
75%
16
flagSpain
11%
15%
0%
73%
26
flagthe Netherlands
15%
5%
5%
72%
40
flagGreece
9%
19%
0%
71%
21
flagUkraine
12%
8%
8%
70%
24
flagDenmark
9%
13%
9%
68%
22
flagGermany
10%
16%
6%
66%
159
flagBelgium
19%
9%
4%
66%
21
flagFrance
16%
6%
9%
64%
31
flagAustria
17%
5%
11%
64%
17
flagAustralia
22%
13%
0%
63%
22
flagPoland
14%
13%
8%
62%
9675
flagNorway
16%
9%
12%
61%
31
flagthe United Kingdom
18%
12%
9%
58%
331
flagRepublic of Ireland
15%
18%
9%
56%
32
flagthe United States
21%
10%
13%
54%
353
flagUnknown
19%
16%
10%
54%
200
flagCanada
7%
25%
12%
46%
39
flagIndia
35%
7%
17%
35%
28

Gender

men59%
women58%
Black Sea
16%
16%
Red Sea
15%
13%
Yellow Sea
8%
10%
Sargasso Sea
59%
59%

Details

Author: Lynn Desmond
Illustration: NOAA Photo Library
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