Silica 'leaked' into Pacific during Ice Age
Atmospheric carbon dioxide levels were much lower during the last Ice Age because unusually high silica levels in the Pacific Ocean bumped up oceanic plant-life.
Source: http://www.cosmosmagazine.com/news/3820/silica-leaked-out-pacific-ocean
Shakara Ledard Shakira Shana Hiatt Shania Twain Shanna Moakler