Atmosphere
What is air pressure at sea level?
4033.6g/sq.cm
3033.6g/sq.cm
2033.6g/sq.cm
1033.6g/sq.cm
1033.6g/sq.cm
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How much pressure exerted by our atmospher ?A. 11.7 pounds per square inch
B. 13.7 pounds per square inch
C. 14.7 pounds per square inch
D. 12.7 pounds per square inch
How many layers are found in atmosphere ?
A. 2
B. 3
C. 5
D. 4
What is source of O2 and CO2 ?
A. Atmosphere
B. Biosphere
C. Living things
D. Animals
What is altitude of troposphere?
A. 7km
B. 8km
C. 9km
D. 10km
How much atmospheric mass is on troposphere?
A. One-Fourth
B. Two-Fourth
C. Three -Fourth
D. Non of above
Above tropopause, there lies a
A. Thermosphere
B. Stratosphere
C. Troposphere
D. Mesosphere
Closest atmospheric layer to earth’s surface is known as
A. Boundary Layer
B. Atmosphere
C. Biosphere
D. Hydrosphere
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