Chinese surnames are used by Han Chinese and Sinicized ethnic groups in Mainland China, Hong Kong, Macau, Malaysia, Taiwan, Korea, Singapore, Vietnam and among overseas Chinese communities. In ancient times two types of surnames existed, namely xing (Chinese: å§; pinyin: xÃ¬ng) or lineage names, and shi (Chinese: æ°; pinyin: shÃ¬) or clan names.
An ice sheet is a large permanent layer of ice covering a continental shelf, defined as having an extent greater than 50,000 km2 (19,305 mi2). An ice sheet is larger than a glacier or ice shelf.
Ice is basically made up of water (and a little bit of salt but not enough to melt any of the ice)you can say they are crystal of many droplets together or solid form of liquid water and also ice requires more space that a liquid water requires and Ice is formed at the temperatures like -1 degree and below exactly at 0 degree it will not convert 100% into ice it requires low temperature.