Options: To maintain and develop individual and collective capacity to resist armed attack, To defend economic and trade interests of the developing nations of the world, TO provide collective defence and economic cooperation in south-east Asia, None of the above
Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?
Options: 1.8 km, 0.15 km, 2.2 km, 0.20 km, 2.8 km, 0.25 km, 3.3 km, 0.30 km
The land-sea distribution or the positions of the world's continents and major oceans influences
Options: the major pressure belts that develop from the general circulation of the atmosphere, the development of the mid-latitude cyclonic depressions, at the convergence zone between polar and subtropical air masses, both (a) and (b), None of the above