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Grade Level: 3-5, 6-8, 9-12

The activities in this guide will help students understand variations in environmental parameters by examining connections among different phenomena measured on local, regional and global scales.


The Biosphere includes all life on Earth including life living on the Earth's Geosphere and in Hydrosphere, including humans and all organic matter that has not yet decomposed.  This important sphere distinguishes Earth from all other planets in our solar system as life evolved (and con


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