939ForestryMedium
The calcium carbonate content which is usually between 6 and 10%, has reached into the deeper layers, forming a zone of lime nodules (Kankar) at about ________ depth:
A80-110cm
B70-100 cm
C90-120 cm
DNone of these
Correct answer
C. 90-120 cm
Explanation
The correct answer is 90-120 cm.