Answer:
it should have 16 but i guess go with b
Answer:
I don't know but need these points so I'ma comment
Advantage-extra work\data to compare first data with.
Disadvantage-Your data might change over time.
Friction and Tectonic
Chemical Weathering
Physical Weathering
Wind and Water Erosion
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http://classroom.synonym.com/natural-activities-work-break-down-rock-16920.html
I know that we aren't suppose to paste websites but I believe that this information is necessary, I hope this helped, sorry!</span>
In a large scale map you can make out smaller details better but with a small scale map you have more portability.
