Accumulation of transported material A to B horizon is known as____________________?

A. Mexico
B. Nigeria
C. Syria
D. Columbia

A. SO2
B. SO3
C. SO4
D. None

A. 70% nitrogen
B. 50% nitrogen
C. 78% nitrogen
D. None of the above

A. Roots do not develop properly
B. Plants mature late
C. Poor flowering and fruil selling occurs
D. All the above

A. Nucleus seed
B. Breeder seed
C. Foundation seed
D. Certified seed

A. 1st
B. 2nd
C. 3rd
D. 4th