The ocean covers about 71% of the Earth's surface and holds about 97% of our planet's total water. Despite the vastness of our oceans, they are being massively impacted by human activity. Microplastics have been found at the bottom of the Mariana Trench, fish populations are declining due to overfishing, and the oceans are warming […] The post Ocean Acidification Investigation appeared first on Science Experiments for Kids .