A jigsaw puzzle made of ancient dust
During the last Ice Age about 20,000 years ago, iron-containing dust acted as a fertilizer for marine phytoplankton in the South Pacific, promoting carbon dioxide sequestration and thus the glacial cooling of the Earth. But where did the dust come from? Title: A jigsaw puzzle made of ancient dustSourced From: www.sciencedaily.com/releases/2020/11/201109110223.htmPublished Date: Mon, 09 Nov … A jigsaw puzzle made of ancient dust