How many oceans are there in the world?
4
3
3
4
3
4
3
5
4
3
5
4
3
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
6
5
4
3
2
6
5
4
3
2
6
5
4
3
2
6
5
1
4
3
2
7
6
5
1
4
3
2
7
6
5
1
4
3
2
7
6
5
1
4
3
2
7
6
5
1
4
3
2
7
6
5
1
4
3
2
7
6
5
1
4
8
2
7
6
5
1
4
8
2
7
6
5
1
8
2
7
6
5
1
9
0
8
2
7
6
1
9
8
2
7
0
6
1
9
8
2
7
6
1
10
9
8
7
6
1
10
9
8
7
11
6
12
1
10
9
8
7
11
6
12
1
10
9
8
7
11
6
12
1
10
9
8
7
11
12
1
10
9
8
7
11
12
13
1
10
9
8
7
11
12
13
1
14
10
9
8
7
11
12
13
66
66
144
102
144
63
102