16. The southernmost part of the world is
A. Cape of Good Hope, Africa
B. Cape of Horn, S. America
C. Colombo, Sri Lanka
D. Wellington, New Zealand
17. The texture of a soil refers to
A. The size distribution of the mineral particles composing the soil
B. The distribution of mineral particles in the soil
C. The crystal distribution in soil
D. None of the above
18. The steady or initial phase of the magnetic storms is
A. Preceded by storm sudden commencement
B. Magnetic storm at middle and low altitudes
C. A sharp increase of the field
D. None of the above
19. The Suez canal connects the
A. Baltic Sea and the Caspian sea
B. Mediterranean sea and the Red Sea
C. Red Sea and the Caspian sea
D. Mediterranean sea and the North Sea
20. The uppermost epoch of the Neogene period is
A. The Pliocene epoch
B. The Pleistocene epoch
C. The Miocene epoch
D. The Oligocene epoch