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Earth's Systems Test

QuestionAnswer
A set of layers of gasses surrounding Earth Atmosphere
About how much of Earths water is salt water 97%
About how much of Earths water is fresh water 3%
Air pollution released from factories Industry
Pesticides contaminating groundwater and machines harvesting crops Agriculture
Vehicles releasing pollutants into the Atmosphere Everyday Life
Amount of fresh potable water safe to drink Less than 1%
Created by: user-2036190
 

 



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