A. Infrasonic
B. Ultrasonic
C. Hypersonic
D. Supersonic
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A. sultry conditions
B. storms
C. strong icy wind’s
D. clear calm weather
A. meteors
B. meteorites
C. asteroids
D. satellites
A. the climate (or weather) of a given place
B. clouds and other such phenomena
C. electrical discharges in the atmosphere
D. the conditions that determine rainfall
A. atmospheric pressure
B. the direction of the ship
C. electric current
D. wind velocity
A. blood circulation
B. nervous system
C. the sense of hearing
D. the height above sea-level
A. artificial rearing of fish.
B. ancient agricultural practices
C. classical dancing of the Dravidians
D. rearing insects for food
A. measuring the intensity of radiation
B. measuring the intensity of light
C. measuring blood pressure
D. measuring angular distances
A. the dying stars that send out blue light in the space
B. the structures of blue giants that the Indonesians set up to ward off evil
C. The blue-colored, giant sized statues of Buddha
D. bright extremely hot galaxies believed to be on outer limits of the universe.
A. pykometer
B. pyrometer
C. photometer
D. potentiometer
