99%
10% of Kansas is covered in forests.
75%
About 11% of Britain is covered by woodlands.
70&
15%
17%
About 71.1% of earths surface is covered by the ocean.
The tundra covered about 8%of the world in 2008
About 33% of the land area of the earth is covered by deserts.
The percentage of the plant that is covered with water is 70 percent.
The capillaries are where the gas and nutrient exchanges occur. Because in a closed circulation system the blood can't go outside the vessels, it must go to the capillary beds where it is about 1 cell thick to have diffusion. Alveoli in lungs are covered by capillaries to allow gas exchange to happen. The capillaries are most abundant of all the blood vessels, because most part of your body requires oxygen, and capillaries are where it can be given to cells.
The percentage of Earth covered by Indian ocean is 14.4. When converted into kilometers this area comes to 68,556,000 square kilometers.