* separar palavras-chave com vírgula
Melhores sites Geography 1-15:
1.
academia.edu 
494,204

2.
tutorialspoint.com 
461,276

3.
sciencedaily.com 
232,759

4.
worldatlas.com 
196,793

5.
quia.com 
123,570

6.
wn.com 
72,077

7.
colombia.com 
58,575

8.
nationsonline.org 
44,595

9.
coolmath-games.com 
38,233

10.
bzu.edu.pk 
32,080

11.
aladwaa.com 
26,481

12.
transport-logistique.academia.edu 
19,519

13.
univ-lyon2.academia.edu 
19,438

14.
nuim.ie 
18,913

15.
streetmap.co.uk 
16,003

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