asked 157k views
5 votes
What is the primary ingredient in the decomposition layer of the ecocolumn?

A. humus
B. mostly gaseous carbon dioxide
C. only rocks
D. mostly pebbles

asked
User Youddh
by
8.3k points

1 Answer

3 votes
Respuesta:
A (Humus).
answered
User Erasmortg
by
8.2k points

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