Tired of waiting?
Click here to disable ads!
Aula interativa sobre a geoesfera.
It´s good, but the think is that the text is in portuguese and it could fit in a educational page...
You are not logged in. If you sign up for an account,
you can gain additional voting power over time, allowing your vote to have an even
greater impact on submission scores!
Just $2.99 per month or $25 per year.
Click here to see all the perks and browse our Wall of Honor.