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i) – to familiarize with the field
-to choose most appropriate routes.
-to assess suitability of the field.
-helped in identifying likely problems that would be encountered.
-Helped in the choice of appropriate equipment.
-it helped gather general information about the field.
ii) –photographs displayed.
-written essays.
-drawing maps.
-displaying samples.
iii)
- Pumice.
- obsidian.
- Tuff.
- Granite.
- Basalt
lydiajane74 answered the question on November 24, 2017 at 13:11
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