lolemmarlSaandy lolemmarlSaandy

08-03-2016
Biology

contestada

Which substance would be predominate in the top layer of soil?
A. Pumice
B. Humus
C. Calcite
D. Quartz

Respuesta :

crazybabblers11 crazybabblers11

08-03-2016

b: Humus
Hope this helps!

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