The atmospheric air is held to the Earth by?
The atmospheric air is held to the Earth by?
A. gravity
B. winds
C. clouds
D. rotation of the Earth
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The areas around the North and South poles within the Polar circles is called _____________?
The areas around the North and South poles within the Polar circles is called _____________?
A. The Torrid Zone
B. The Frigid Zone
C. The Temperature Zone
D. The Hardiness ZoneWith the rise in temperature, metals conductivity____________?
With the rise in temperature, metals conductivity____________?A. Remains same
B. Increases
C. Decreases
D. None of theseWhich hormone is necessary for the production of milk in the mother’s breast?
Which hormone is necessary for the production of milk in the mother’s breast?A. FSH
B. prolactin
C. A.D.H.
D. OxytocinIn a railway track, two rails are joined end to end with a gap tin between them because?
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 theseOur atmosphere consists of__________ CO2?
Our atmosphere consists of__________ CO2?A. 0.03 to 0.04% CO2
B. 0.3 to 0.4% CO2
C. 3 to 4% CO2
D. None of theseDielectric constant of water is?
Dielectric constant of water is?A. 60
B. 70
C. 80
D. None of these