How many continents are there in the world?
7
5
5
5
5
7
5
7
8
5
7
8
5
7
8
5
7
8
5
7
8
5
ten
7
6
8
4
5
14
7
6
ten
8
4
5
14
7
6
8
4
5
ten
14
7
6
8
4
5
14
ten
7
6
8
4
5
14
7
6
ten
8
4
5
9
14
21
7
6
8
4
5
ten
9
14
21
7
6
8
4
5
9
14
ten
21
7
6
8
4
5
9
14
78
21
7
6
ten
8
4
5
9
14
21
7
78
6
8
4
ten
9
14
21
7
6
8
4
78
9
14
ten
21
7
6
8
4
2
9
14
78
21
66
7
6
ten
8
4
2
9
14
21
78
6
8
4
66
2
ten
9
14
20
0
21
6
4
78
2
9
14
76
66
20
13
ten
3
21
6
4
0
2
9
14
20
78
13
3
21
76
66
6
ten
4
2
0
9
14
20
13
3
21
78
6
4
76
66
61
2
ten
9
14
20
13
0
3