How many named oceans are there in the world?
4
2
3
2
3
2
3
2
4
3
2
4
3
5
2
4
3
5
2
4
3
5
2
4
3
5
2
4
3
5
2
4
3
5
2
4
3
5
7
2
4
3
5
7
2
4
3
5
1
7
2
4
3
5
1
7
2
4
3
5
1
8
7
2
4
3
5
6
1
8
0
7
2
4
3
5
6
1
8
7
2
4
3
0
5
6
1
8
7
2
4
3
0
5
6
1
8
7
2
4
3
5
6
1
8
0
7
4
5
6
1
8
7
4
0
5
6
1
8
7
4
0
5
6
1
8
7
5
6
9
1
8
0
7
ten
6
9
1
8
7
0
ten
6
9
1
8
7
11
0
6
9
1
8
ten
7
11
61
6
9
1
8
0
14
7
ten
11
6
9
1
8
61
14
7
0
11
ten
6
9
1
8
14
7
61
11
0
6
9
12
13
1
8
ten
14
108
66
107
11
61
6
9
10