Author Question: Caliche is a ____. A)layer of silica cement within a pedalfer B)layer of precipitated calcium ... (Read 35 times)

debasdf · **on:** Jul 13, 2018

Caliche is a ____.
A)layer of silica cement within a pedalfer
B)layer of precipitated calcium carbonate in horizon B
C)layer of rock between soil layers C and D
D)deposit formed in alkali soils
E)light colored layer of unstable minerals

Question 2

Carboniferous age reefs differed from those of the Devonian in that they were much more massive than the older reef structures.
Indicate whether the statement is true or false