Elements Of Remote Sensing
For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is:

Near polar orbit
None of these
Sun-synchronous orbit
Circular orbit

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Elements Of Remote Sensing
Geodimeter is based on:

High frequency radio waves
Propagation of infrared radiation
Propagation of modulated light waves
The visible light as carrier with frequency of the order of 5 × 1014 Hz

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