21. The region that has a typical dispersed rural settlement pattern is the
A. Kerala coastal plain
B. Western Ganga plain
C. Eastern Rajasthan
D. Telangana plateau
22. The reaction between compounds and oxygen is called
A. Oxidation
B. Hydrolysis
C. Carbonation
D. Solution
23. The percentage of sun’s radiation reflected back into space is about
A. 36 percent
B. 47 percent
C. 17 percent
D. None of the above
24. The progressive wave theory regarding of tides was put forth by
A. R.A. Harris
B. Issac Newton
C. William Whewell
D. G.B. Airy
25. The original founders of Commonwealth of Independent States, in December 1991, are
A. Tajikistan, Kirghizia and Turkmenistan
B. Armenia, Georgia and Azerbaijan
C. Russia, Ukraine and Byelorus
D. Moldavia, Kazakhstan and Uzbekistan