questionedithistorytranslations

Which Greek letter is used to describe a type of river mouth?

sigma
alpha
delta
gamma
Delta looks like Greek letter Δ. It is formed when deposition of sediment is more intensive than sea erosion.
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Answers by country

sigma
alpha
delta
gamma
answers
flagFrance
6%
0%
93%
0%
15
flagAustria
5%
1%
92%
0%
55
flagRepublic of Ireland
0%
4%
91%
4%
24
flagItaly
1%
3%
90%
1%
53
flagGermany
6%
3%
88%
1%
318
flagGreece
8%
0%
88%
0%
36
flagRomania
5%
5%
88%
0%
18
flagPoland
7%
4%
84%
2%
16778
flagCanada
3%
3%
84%
6%
59
flagSwitzerland
4%
4%
82%
4%
23
flagthe United Kingdom
10%
3%
79%
3%
222
flagAustralia
8%
3%
78%
3%
61
flagthe United States
8%
8%
77%
4%
815
flagthe Netherlands
14%
9%
76%
0%
21
flagMalaysia
13%
6%
73%
6%
15
flagUnknown
13%
13%
68%
4%
22
flagIndia
13%
12%
63%
3%
208
flagPakistan
23%
5%
61%
7%
39
flagthe Philippines
15%
12%
60%
2%
40
flagNigeria
19%
4%
57%
4%
21

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