A. increases
B. decreases
C. remains the same
D. None of above
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A. anaemia
B. hemophilia
C. high blood pressure
D. low blood pressure
A. A
B. B2
C. D
D. C
A. similar charges of electricity rush towards each other
B. opposite charges in different clouds break down the resistance offered by the intervening air
C. clouds strike against impurities in air and result in a gigantic frictional flare-up
D. earth exerts a pull on the floating clouds
A. Absence of water vapor in the air
B. Clouds generate air currents and disturbances which do not promote frosty conditions
C. Clouds prevent radiation and therefore help the ground temperature remain higher
D. moisture of air has been sucked away by the clouds
A. dry air
B. warm air
C. cool air
D. None of above
A. iron oxide
B. a kind of moss
C. corrosive quality of damp air
D. the natural wearing of iron
A. poor conductors of heat
B. good conductors of heat
C. worst conductors of heat
D. perfect insulators
A. volume of the buildings
B. area of hill
C. height of an object
D. breadth of a tower
A. Air
B. Water
C. Steel rod
D. Kerosene
