What is the name of the topsoil horizon?
A) A horizon
B) B horizon
C) C horizon
D) O horizon
Correct Answer:
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Q65: Which ecosystem has the lowest level of
Q66: What refers to the zones that comprise
Q67: Which type of soil is most likely
Q68: In which ecosystem would you be most
Q69: When does leaching occur?
A) when water removes soluble
Q71: Which soil horizon refers the surface leaf
Q72: What consists of freshly fallen leaves,organic debris,and
Q73: Which soil layer contains unique colours,and often
Q74: What does topsoil contain?
A) ozone
B) humus
C) freshly fallen leaves
D) aquatic plants
Q75: What refers to the dissolving of material
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