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
9%
13%
1%
75%
52
flagUkraine
10%
7%
7%
75%
28
flagAustria
12%
8%
8%
72%
25
flagDenmark
8%
12%
8%
72%
25
flagSpain
10%
14%
3%
71%
28
flagGreece
9%
19%
0%
71%
21
flagthe Netherlands
13%
8%
6%
68%
45
flagLithuania
5%
26%
0%
68%
19
flagGermany
10%
16%
7%
65%
167
flagBelgium
17%
8%
8%
65%
23
flagFrance
15%
9%
9%
63%
33
flagPoland
14%
13%
8%
61%
10999
flagthe United Kingdom
18%
12%
10%
58%
359
flagAustralia
25%
16%
0%
58%
24
flagNorway
15%
9%
18%
57%
33
flagRepublic of Ireland
15%
18%
9%
57%
33
flagthe United States
21%
9%
12%
55%
381
flagUnknown
21%
16%
12%
48%
369
flagCanada
9%
23%
11%
47%
42
flagIndia
29%
11%
20%
35%
34

Gender

men56%
women58%
Black Sea
17%
17%
Red Sea
16%
14%
Yellow Sea
9%
10%
Sargasso Sea
56%
58%

Details

Author: Lynn Desmond
Illustration: NOAA Photo Library
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