40% of the world's land surface are coverd by forests nad gr
rain forests cover about 6% of the earth's land surface.(改为同
People are ( ) the land and forests from the animal.It's awf
选择about ------of the earth is coverd by water
英语翻译estimates by the land transport authority of singapore s
Many fossils are ____ by changes in the surface of the earth
About two thirds of the Earth's surface is covered by the se
What's happening to the forests in the world?
__ most of the earth's surface is covered by water,fresh wat
21.____ most of the earth’s surface is covered by water,fres
a lot of rich land have changed into desert.forests are beco
Symmetry of the Boy\'s surface是什么意思
humans are cutting down the forests to * the land for other