lolemmarlSaandy
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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