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Earth's Systems Test

QuestionAnswer
A set of layers of gasses surrounding Earth or another planet. Atmosphere
The solid portion of earth, including the crust and upper mantle of earth. Geosphere
The part of earths crust, water and atmosphere that supports life. Biosphere
All the waters on earths surface, such as lakes and sea's, sometimes incuding water over earths surface, such as clouds. Hydrosphere
About how much of earth is salt water? 97%
About how much water on earth is freshwater? 3%
Less than _ % of freshwater is safe to drink (potable) 1%
Air pollution emitted from factories manufacturing goods is what type of human activity? Industry
Pesticides/fertilizers contamonationg groundwater, machines harvesting crops is what type of human activity? Agriculture
Vehicles used for transportation emittting pollutants into the atmosphere is what type of human activity? Everyday Life
What type of species is a non-native and brought into a new area species? Invasive-Species
Created by: user-2036186
 



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