How many countries are on the continent of North America?
23
5
5
5
5
4
5
4
5
3
4
9
5
3
4
6
9
5
3
4
6
9
5
10
7
3
4
11
6
9
5
8
10
7
3
4
11
6
9
5
8
10
7
13
3
4
11
6
9
5
16
8
10
7
13
3
4
12
11
6
9
5
16
8
10
7
13
3
4
12
50
11
6
9
5
16
8
10
7
13
3
14
4
12
50
66
11
6
9
5
16
8
10
7
13
3
14
4
12
50
11
6
9
66
5
16
8
10
7
63
13
3
2
14
4
12
50
11
6
67
9
5
16
1
8
10
7
25
13
3
2
66
14
4
17
12
50
63
11
6
9
5
16
1
8
10
7
25
13
3
2
67
14
4
17
12
50
66
11
6
63
15
9
5
16
1
8
10
7
28
25
13
3
2
14
4
17
59
12
50
67
11
6
15
9
66
5
16
1
8
10
7
28
63
25
13
3
2
169
59
67