When plastic degrades, it doesn't just disappear. It sticks around for hundreds of years—breaking down into smaller versions of itself called microplastics. Those microplastics have become ubiquitous in the environment and have been detected in the air we breathe, the food we eat, and the water we drink. Test your knowledge of microplastics in drinking water below and hopefully, while you're at it, you can take away some tips about how to reduce your plastic consumption as well.