Biology
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Past Questions
Exam TypeJAMB
Question 403
jamb 1986
a
contain large quantities of potash
b
contain large quantities of lime
c
lose a high proportion of their organic matter to running water
d
lose lime and potash from the top soil through rain action
Question 404
jamb 1986
a
contour terracing
b
strip cropping
c
contour ploughing
d
mixed grazing
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