Elements Of Remote Sensing
Which one the following is a correct statement?

The layers of the soil parallel to the earth surface are called horizons
All of these
The vertical section of the soil extending into the parent material, is called profile
The transitional layer between two adjoining horizons is called boundary

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

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

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