Geography Questions

Soil Science Worksheet 1 Overview
    1.     Soil is roughly composed of 25% mineral material, 25% ________ matter, and 50% pore space. 2.     All of the following are examples of chemical weathering except ____________. 3.     When rocks break-up they undergo weathering. When plants and animal residues are reduced to simple chemicals this is called __________. + 8 more!

Geography

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Geography