What has to be studied at first to tell about the effects with certainty? Options: A . &nbspAerial photographs B . &nbspGlobe C . &nbspGeological maps D . &nbspTopographical photographs

What has to be studied at first to tell about the effects with certainty?

Question - What has to be studied at first to tell about the effects with certainty?

Options:

A . Aerial photographs

B . Globe

C . Geological maps

D . Topographical photographs

Answer: Option C
Answer: (c).Geological maps

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