a. Ultraviolet radiation
b. Sun’s ultraviolet (UV) radiation
c. Both a & b
d. None of these
a. Tin
b. Zinc
c. Copper
d. None of these
a. for coagulation of mud particles
b. to kill bacteria
c. to remove salts
d. to remove gases
a. Abu-Mansur Daqiqi
b. Abu Al-Qasim Firdausi
c. Khosrau II
d. None of these
a. Behavioralism
b. Constitutive theory
c. Hegemonic stability theory
d. None of these
a. The psycho-cultural theory
b. The tragedy of justified war
c. Securitization theory
d. None of these