Elements Of Remote Sensing
Formation of snow occurs if the cloud temperature is

At the freezing point
Below the freezing point
None of these
Just above the freezing point

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Elements Of Remote Sensing
Which one of the following residual biases involves the GPS accuracy?

All listed here
Signal propagation biases due to the sphere and troposphere propagation
Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
Receiver-dependent biases due to clock stability with line

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Elements Of Remote Sensing
Earth observations from a satellite platform provide:

Repetitive observations of the same area with intervals of a few minutes to a few weeks
Constant solar zenith angles and similar illumination conditions
All of these
Synoptic view of a large area

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