Two-thirds of the freshwater on Earth is locked in ______.

Which is the biggest and the deepest freshwater lake in the world?

The highest pressure in any closed diesel engine freshwater cooling system is at the （）.

淡水资源人均占有量仅为世界平均水平的四分之一。( ) A: The amount of freshwater resources per capita is only one-fourth the world average. B: The amount of freshwater sources per capita is only one-fourth the world average. C: The amount of water resources per capita is only one-fourth the world average. D: The amount of freshwater resources per capita is only one in four the world average.

智慧职教: The Great Lakes are a group of five huge freshwater lakes belonging to the U.S..

According to the above graph, what percentage of total freshwater use refers to cooking, showering, and flushing the toilet?

Two-thirds of the freshwater on Earth is locked in ______. A: glaciers and ice caps B: caves C: land D: slopes

Fishes that migrate between freshwater and marine environments are said to be( ). A: stenohaline B: diadromous C: isosmotic D: euryhaline E: semimarine

Which lake below is not freshwater lake A: Dongting Lake B: Qinghai Lake C: Hongze Lake D: Poyang Lake

The Great Lakes on the border between Canada and the U. S. are the largest group of freshwater lakes in . A: the continent of America. B: the world C: North America D: South America