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Earth's systems test

QuestionAnswer
How much of Earths water is salt water About 97%
How much of Earths water is Freash water About 3%
How much of Earths water is potable ( safe to drink ) About 1% of the fresh water is potable
Air pollution emitted from the factories manufacturing is an example of what human activity Industry
pesticides fertilizers contaminating ground water,machines harvesting crop is an example of what human activity Agriculture
Vehicles used for transportation emitting pollutants into the atmoshpere is an example of what human activity Every Day Life
what is an example of a invasive species a non native spices brought to a new area
Created by: user-2036218
 

 



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