How many named oceans are there in the world?
4
3
3
3
3
3
4
3
4
2
3
4
2
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
6
5
4
2
1
3
6
5
4
2
1
3
6
5
4
2
1
3
6
5
4
2
1
3
6
5
4
2
1
3
6
5
7
4
2
1
6
5
7
4
2
1
6
5
7
4
2
1
6
5
7
4
2
1
6
5
7
4
2
1
6
5
7
2
1
6
8
5
7
1
6
8
5
7
1
6
8
7
9
6
8
7
9
6
8
7
9
6
8
7
9
10
11
6
8
7
9
10
11
6
8
7
9
10
12
11
6
8
7
9
10
12
11
8
7
9
10
12
11
8
7
9
10
13
12
11
8
7
9
10
13
12
11
8
7
9
10
13
12
11
8
7
9
10
13
11
112
112
128
135
128
135