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
flagLithuania
0%
20%
0%
80%
15
flagItaly
5%
15%
2%
76%
38
flagSpain
12%
12%
0%
75%
24
flagthe Netherlands
16%
2%
5%
72%
37
flagDenmark
9%
13%
9%
68%
22
flagGermany
9%
15%
7%
67%
153
flagNorway
16%
8%
8%
66%
24
flagFrance
17%
6%
10%
65%
29
flagUkraine
14%
14%
7%
64%
14
flagBelgium
21%
10%
5%
63%
19
flagPoland
15%
13%
8%
61%
8176
flagAustralia
25%
15%
0%
60%
20
flagAustria
20%
6%
13%
60%
15
flagthe United Kingdom
19%
12%
9%
57%
280
flagRepublic of Ireland
14%
22%
7%
55%
27
flagthe United States
22%
10%
12%
52%
311
flagUnknown
28%
18%
5%
47%
53
flagSweden
23%
7%
23%
46%
13
flagCanada
9%
29%
12%
38%
31
flagIndia
33%
7%
18%
37%
27

Gender

men59%
women59%
Black Sea
16%
16%
Red Sea
16%
13%
Yellow Sea
7%
9%
Sargasso Sea
59%
59%

Details

Author: Lynn Desmond
Illustration: NOAA Photo Library
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