关于水的资料英文句子

1.Water is a common chemical substance that is essential for the survival of all known forms of life
2.water refers only to its liquid form or state, but the substance also has a solid state, ice, and a gaseous state, water vapor
3.About 1.460 petatonnes (Pt) of water covers 71% of the Earth's surface
4.Some of the Earth's water is contained within man-made and natural objects near the Earth's surface such as water towers, animal and plant bodies, manufactured products, and food stores.
5.Saltwater oceans hold 97% of surface water, glaciers and polar ice caps 2.4%, and other land surface water such as rivers, lakes and ponds 0.6%.
6.Water moves continually through a cycle of evaporation or transpiration (evapotranspiration), precipitation, and runoff, usually reaching the sea.
7.Water can appear in three phases
8.Water takes many different forms on Earth: water vapor and clouds in the sky; seawater and rarely icebergs in the ocean; glac