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soil timeline
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Published on Nov 27, 2015
Soil timeline SPA
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PRESENTATION OUTLINE
1.
WHAT IS IN SOIL?
Photo by
Stewf
2.
DIRT!
DIRT IS THE FOUNDATION OF SOIL.
Photo by
TheBusyBrain
3.
WATER
WATER HELPS DIRT TRANSFORM INTO SOIL.
Photo by
Mouin.M►(away)
4.
MINERALS
MINERALS ENTER DIRT WHICH HELPS FORM SOIL.
Photo by
Paul's Lab
5.
AIR
OXYGEN,WATER AND MINERALS MAKE SOIL.
Photo by
kevin dooley
6.
IT'S MADE!
SOIL IS FINALLY FORMED !!!!!!!!
Photo by
Hkuchera
7.
EFFECTS ON SOIL
WHAT HAPPENS TO SOIL...
Photo by
USDA NRCS South Dakota
8.
ORGANISMS
ORGANISMS LIKE WORMS HELP EXPAND THE LIMITS OF SOIL BY COMPOSTING
Photo by
devaburger
9.
VEGETATION
PLANTS ARE BEST GROWN IN HEALTHY SOIL
Photo by
fatboyke (Luc)
10.
HUMANITY
HUMAN ACTIONS DAMAGES SOIL, LIKE BUILDING OVER SOIL
Photo by
ecstaticist
11.
EROSION
WHEN SOIL EROSION OCCRUS IT DESTROYS SOIL
Photo by
IITA Image Library
12.
ULTIMATE DAMAGE
AFTER EROSION, SOIL IS PERMANENTLY SOILED
Photo by
Jonohey
Harjas Gill
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