A. haematite B. siderite C. limonite D. magnetic
A. Bihar B. West Bengal C. Kerala D. Orissa
A. Middle East B. North Africa C. both (a) and (b) D. None of the above
A. deterioration of electronic circuits B. damage of solar cells of spacecraft C. adverse effect on living organisms D. All…
A. Canada B. West Africa C. Australia D. North America
A. the earth's atmosphere B. interstellar dust C. both (a) and (b) D. None of the above
A. ionosphere B. exosphere C. stratosphere D. troposphere
A. temperature B. location C. weather D. All of the above
A. Machine Tools B. Cement Industry C. Bio-technical Industry D. Aviation Tools