The main cause of air pollution is __________?
The main cause of air pollution is __________?
A. Burning Of Fuels
B. Forests
C. Fertilizers
D. None of these
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The instrument which measures very high temperature is____________?
The instrument which measures very high temperature is____________?
A. Manometer
B. Thermostat
C. Chronometer
D. Pyrometer
E. None of theseThe final phase of a star’s evolution is determined by the star’s:
The final phase of a star’s evolution is determined by the star’s:
A. Age
B. Gravitational pull
C. Density
D. MassIn context of environment, the term “dirty dozen” refers to _____?
In context of environment, the term “dirty dozen” refers to _____?A. 12 most harmful greenhouse gases
B. 12 ozone depleting substances
C. 12 persistent organic pollutants
D. None of the aboveMilky Way Galaxy in which type?
Milky Way Galaxy in which type?A. spiral
B. Round
C. Square
D. LinearThe difference in the duration of day and night increases as one moves from:_________?
The difference in the duration of day and night increases as one moves from:_________?A. West to East
B. East and west of the prime meridian
C. Equator to poles
D. None of theseWhat natural phenomena are measured by the Richter Scale?
What natural phenomena are measured by the Richter Scale?A. Volcanoes
B. Typhoons
C. Earth quacks
D. Tsunami