about三分之一of hte world's land surface is d_____

rain forests cover about 6% of the earth's land surface.(改为同 People live on land.About one-thirhed of the world is land. About two thirds of the Earth's surface is covered by the se only ------the surface of the earth is land.A.part of B.a pa Water _________ about seventy persent of the earth,s surface 连词成句（1）desert ,is,this,called,place.（2）land,world,of,about,o The surface of the Earth is about 70% water The surface arca of the earth is about( )square kilometers. About 70 per cent of the surface of the Earth is covered wit 英语翻译the world's smallest radio is about the size of a peal!是 The ___(world,world's)population is about 1700 million. Oceans cover about three quarters of the earth's surface,改为一