By Mahnoor Najam
Earth is the only planet that we know it sports Liquid water, Ecosystems, Atmosphere and Living creatures. Earth got its name from old English word eoroe Which means Ground or soil. Earth is the fifth largest planet in our solar system.Seventy percent its surface is covered in water. Thirty percent of Earth is covered in land is the only planet we know that supports life . From space the Earth appears mostly one color because of all the water on the planet what is it ? blue
