When people breathe out air, they give off carbon dioxide, which is needed by plants.
People build buildings, cut down trees, use chemicals that pollute the water and soil, drive cars and use factories that pollute the air, etc.
People can also affect the earth's surface in positive ways, such as planting trees, using agricultural methods that do not harm the earth, driving cars less, etc.
70 %
70%
75%
idont no
100
mountains cover 24% of the earths surface
30%
30%
due to volcanics effects and movement of earth which affect the earth surface
100
69%
70%
205%
mountains cover 24% of the earths surface
30%
30%
69%
69%
About 71.1% of earths surface is covered by the ocean.
due to volcanics effects and movement of earth which affect the earth surface
I think it is 75 % of the earths surface is covered by limestone