* separar palavras-chave com vírgula
Melhores sites Geography 1-15:
1.
academia.edu 
498,002

2.
worldatlas.com 
260,074

3.
sciencedaily.com 
259,491

4.
quia.com 
123,570

5.
wn.com 
68,013

6.
colombia.com 
58,575

7.
nationsonline.org 
44,595

8.
coolmath-games.com 
38,233

9.
bzu.edu.pk 
32,080

10.
aladwaa.com 
26,481

11.
nuim.ie 
18,913

12.
streetmap.co.uk 
16,003

13.
hassannisar.pk 
14,927

14.
weegy.com 
14,177

15.
gtp.gr 
12,576

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