Answer:
The largest portion of earth is the mantle... If you're talking about Earth's surface it's water...
Good Luck!!!
Number one is "sand dunes".
Number two is "the breakdown of rock through mechanical disintegration and physical stress."
And scientists say it will take natural processes 6,000 years to refill the reservoir
I believe its lack of worthy projects, but ill tell you if im wrong.
The island of Guam is located at 13° 28' 0"N, 144° 46' 59" E
