meganmaria4ever meganmaria4ever 27-01-2020 Physics contestada 1). What % of the surface of the earth is covered by water! 12.5% 75% 3% 25% 2). What % of the surface of the earth is covered by unsable land, meaning we can live on it and farm it? 12.5% 75% 3% 25% 3). What % of the water of earth is unsable by man (fresh)? 12.5% 75% 3% 25% 4). What % of the surface earth is covered by land 12.5% 75% 3% 25%