76. The land-sea distribution or the positions of the world’s continents and major oceans influences

A. the major pressure belts that develop from the general circulation of the atmosphere
B. the development of the mid-latitude cyclonic depressions, at the convergence zone between polar and subtropical air masses
C. both (a) and (b)
D. None of the above

77. The knowledge about the topography of the ocean basins has been derived from

A. seismic surveying
B. echo sounder
C. side-scan sonar
D. All of the above

78. The headquarters of the Commonwealth of Independent States (CIS), formed out of erstwhile USSR, is at

A. Minsk in Byelorussia
B. Moscow in Russia
C. Kiev in Ukraine
D. Kistner in Moldavia