33 percent of the land surface of the earth is desert.
No, sand covers about 20% of the deserts of the world.
Only about 20 percent of the deserts of the world are covered with sand.
Desserts are delicious, but I think you mean deserts, also "how many percent of the world" you mean to say: "what percentage of the earths surface is covered in deserts"
33% of the land surface of the earth is covered by deserts. Of that only 20 percent of the deserts are covered in sand.
between 15 and 20 percent
No, sand covers about 20 percent of deserts.
No, sand covers about 20 percent pf deserts.
No, sand deserts account for about 20% of the deserts on earth.
Actually, only 20 percent of deserts are sandy.
Yes, about 35 percent of the earth's land is covered by deserts.
Deserts make up about 33% of the earth's land surface.
No, sand covers about 20 percent pf deserts.