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Explorit Stumper Answer |
 | | A pedologist studies soils and can identify the source of a soil sample by comparing it with samples of known origin. |
 | | With detailed information about color, texture, particle sizes, minerals, oxides, organic matter, and microorganisms a pedologist (often with input from scientists from biological disciplines) can identify a soil sufficiently well to be able to prove its geographical origin. |
 | | In the crashed plane case cited above, the plane burned as it crashed and the fact that soil found associated with the wrecked plane had not been burned was evidence that the soil too accumulated after the crash. |
| www.dcn.davis.ca.us /go/exploreit/stumper/stump35_answ.html (365 words) |
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