Which instrument is used to measuring height above sea leve?
A. Hygrometer
B. Hypsometer
C. Pyrometer
D. Solometer
A. Hygrometer
B. Hypsometer
C. Pyrometer
D. Solometer
In middle latitudes, which cloud will have the lowest base ________________________ ?
A. Cirrostratus
B. Stratocumulus
C. Altocumulus
D. Cirrus
A. South Pole
B. North Pole
C. Both A and B
D. None of These
In a railway track, two rails are joined end to end with a gap tin between them because?
A. Steel can be saved
B. Accidents due to contraction in winter can be avoided
C. Air gaps are necessary for bearing the weight of running train
D. Accidents due to expansion in summer can be avoided
E. All of these
A. Ozone
B. carbon dioxide
C. Sulfur dioxide
D. None of these
A. Natural Selection
B. inheritance of acquired character
C. Use and disuse of organ
D. Artificial selection
A. Richter Scale
B. Beaufort Scale
C. Meter-second scale
D. None of these