Answer4Earth has a vast collection of questions at varying degrees of difficulty. There are easier questions well-suited for children in grade-school learning elementary subjects and harder questions that will challenge even the smartest people in the world. When you play the game, advertisements appear above the question area. The money generated by these advertisements is then used to plant trees through their Partner ‘Trees for the Future’, who plant trees in countries like Ghana, Tanzania, India, Philippines, Brazil and Columbia..
For each question you get right you earn a leaf. Collect enough leaves and they will turn into branches, which eventually turn into a full tree. This is not a fake “virtual” tree. This is a real live tree that will be planted on the face of the Earth, due solely to the fact that you played this game.
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Categories: 'Green' Games that Donate Free Money, Actions, Africa, Asia, Brazil, By Category, By Time, Campaigns, Columbia, Computer & Internet, Country, Donate your Desktop, Environment, Game and Learn, Ghana, Green, Help From School, Help From Work, Impact, Impact Tracking, India, No Login, Philippines, Popular Causes, Quickies!, South America, Tanzania, Under 30 minutes