How many continents in the world?
7
8
7
5
8
7
5
8
14
7
ten
5
8
14
7
5
8
14
ten
7
5
8
14
ten
7
5
8
14
7
ten
5
8
14
7
5
8
14
ten
7
5
8
6
14
ten
7
21
5
8
6
14
7
21
ten
78
5
8
6
14
7
9
21
5
8
6
14
ten
78
7
9
21
5
8
6
14
ten
78
4
7
9
21
5
8
6
14
4
7
9
21
ten
78
5
8
6
14
4
7
9
21
5
8
6
14
ten
78
4
7
9
21
5
8
6
14
54
ten
78
4
7
9
21
5
8
6
14
54
4
7
9
21
ten
78
5
8
6
14
54
20
66
4
7
13
9
21
5
76
6
14
ten
78
54
20
4
13
66
9
22
21
6
14
54
20
23
76
ten
78
4
13
9
22
21
66
6
54
20
23
4
13
76
9
22
21
ten
78
6
54
20
23
66
4
13
24
9
22
21
76
61
62
6
0
ten
78
54