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Earth's system

QuestionAnswer
A set of layers of gases surrounding earth or another plant Atmosphere
The solid portion of earth including the crust and upper mantle of earth geasphere
The part of earth crust water and atmosphere that supprts life Biosphere
All the waters on earth's surface such as lakes and seas sometimes including water over earth's surface such a as clouds Hydrosphere
How much salt water is there in earth 97%
How much freshwater is there in earth 3%
The three major categories of human activities we discovered were human's have a negative impact on earths systems in many ways
It may out complete the native plant and animal species due to a lack of predators An invasive species is a species that is non native and brought into a new area
Created by: user-2036187
 

 



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