Welcome to your Earth Day Quiz!

Share with a friend for a little competition!


How much water does the average person use per day?

More than half of the breathable oxygen in the world comes from where?

How much of the world’s oxygen is produced by just the Amazon rainforest?

How much oxygen does an average 50-year-old tree provide?

Which land-based ecosystem holds the most biodiversity, i.e., concentration of plants and animals?