Growing a leguminous crop in rotation
A.Improves the fertility of the soil
B.Makes the next crop disease resistant
C.Reduces the fertility of the soil
D.None of the above
A.Improves the fertility of the soil
B.Makes the next crop disease resistant
C.Reduces the fertility of the soil
D.None of the above
A.Comets
B.Black holes
C.Galaxies
D.Quasars
A.Circular disc
B.A sphere
C.An oblate
D.A tetrahedron
A.90?
B.45?
C.0?
D.180?
E.None of the above
A.Fransisco Orellana (Spanish)
B.Willem S Schouten
C.William S. Qunts
D.None of the above
A.Labrador
B.Southern (India)
C.Arabia
D.Scandinavia
A.A small mountain
B.A steep valley
C.A coral reef in the shape of a horse shoe
D.None of the above
A.Ferdinand Richthofen (German)
B.Nikolai M. Przhevalsky
C.A.H Harvey
D.None of the above
A.Mont Pelee in Martinique in 1902
B.Usu Mountain in Japan near the northern-most island.
C.Mont Pelee in Martinique in 1906
D.None of the above
A.Charles Wilkes
B.Robert Peary
C.Ronald Amundsen
D.Nils Nordenskjold