World Water Day

0:03 Calaruga shark media. Hi, I'm Mark Ellison. In today's theme is Worldwater Day Oceans, rivers and incredible water Facts. Question one. World Water Day raises awareness about the importance of freshwater and sustainable water management worldwide. On what date each year is Worldwater Day officially observed? Question two? In the Western Pacific's Marianna Trench lies the deepest known point in Earth's oceans, a place visited by only a handful of expeditions. What is the name of this abyssal location? Question three? Invisible to the naked eye, countless tiny ocean drifters perform a massive service for our planet by producing roughly half of the oxygen we breathe. What are these microscopic marine organisms called?

1:04 Question four? Geographers love quirky river trivia. Only one major river in the world crosses the equator twice as it winds through Central Africa. Which river is it? Question five. Siberia is home to a lake that holds more liquid freshwater than any other on Earth and plunges over a kilometer deep. Which lake is both the world's deepest freshwater lake and the largest by freshwater volume. We'll be right back with these answers after this break welcome back. Question one, on what date is Worldwater Day observed? Answer March twenty second.

1:50 The United Nations established Worldwater Day to be observed annually on March twenty second, First celebrated in nineteen ninety three. It focuses attention on global water issues, from access and sanitation to ecosystem health. Question two, what is the deepest point in the oceans called answer Challenger Deep. Challenger Deep is the deepest part of the Mariana Trench, reaching about ten nine hundred eleven thousand meters around thirty six thousand feet. It was first sounded in the nineteen fifties and has since been explored by crude and robotic missions. Question three what tiny ocean organisms produce about half of Earth's oxygen? Answer phytoplankton. Phytoplankton are photosynthetic microorganisms that thrive in the sunlit surface waters of the ocean. Through photosynthesis, they convert carbon dioxide into oxygen and form the base of marine food webs. Question four. Which major river crosses the equator twice?

2:48 Answer the Congo River. The Congo River arcs across the equator in both directions as it drains a vast tropical basin. It's also one of the world's mightiest rivers by discharge emptying into the the Atlantic Ocean. Question five, Which lake holds the most liquid fresh water? Answer? Lake by Call. Lake by Call, in Russia contains about twenty percent of the world's unfrozen surface fresh water and reaches a maximum depth of roughly one thousand, six hundred and forty two meters five thousand, three hundred eighty seven feet. Its unique biodiversity includes the endemic by Call seal that concludes today's five daily trivia questions. I'm Mark Ellison, and today's questions were crafted with the help of AI technology. See you tomorrow.