WHAT PERCENTAGE OF THE EARTH’S SURFACE IS COVERED BY SEAS AND OCEAN...

2. - DE THI HSGTIENG ANH 9DAKNONG20102011
Lớp 9 Tiếng Anh DE THI HSGTIENG ANH 9DAKNONG20102011
2. What percentage of the earth’s surface is covered by seas and oceans?→…………..………..……….