What makes the oxygen and how bad is ocean Acidification?
Elementary / Math / Ratios and Proportions
Reference: “Save the Plankton, Breathe Freely” by the National Geographic Society, http://nationalgeographic.org/activ.... Marine Plants 70%, Rain Forest 28%, Other 2%. Reference: Ocean acidification, Wikipedia, Aug. 18, 2016, https://en.wikipedia.org/wiki/Ocean.... Average Surface Ocean pH: (year, pH, H+ Concentration; 1850, 8.18, 1.0; 2015, 8.07, 19%; 2050, 7.95, 70%) Thanks for watching! Facebook page: stevenlevymath.info Teacher tube: stevenlevymath.info Vimeo: vimeo.com/stevenlevymath Please leave likes and comments. This video was made with Videoscribe.