Soil
Soil which is the surface layer of earth results from the degradation of rock and is filled with life. A billion organisms exist in one square meter of fertile soil. Small mammals, worms and insects tunnel in the soil and provide air circulation. Microorganisms such as algae, bacteria and fungi deco...
Other Authors: | Infobase,, Québec/Amérique International. |
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Format: | Video |
Language: | English |
Published: |
[Place of publication not identified] :
QA International,
[2005]
Distributed by Infobase, |
Physical Description: |
1 online resource (1 video file (1 min., 9 sec)) : sound, color. |
Subjects: |
CMU Electronic Access
Electronic Resource Click HereLocation | Call Number: | Status |
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CMU Electronic Access | Available |