A. a natural phenomenon that defies an explanation
B. a repetition of one’s own voice
C. a sound repeated by reflection
D. the proof that dead matter can speak
A. much faster
B. much slower
C. at no difference
D. None of above
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
A. drops
B. rises
C. remains constant
D. becomes unpredictable
A. Newton’s Second Law of Motion
B. Newton’s Third Law of Motion
C. Newton’s First Law of Motion
D. None of above