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What is a glacier?
What is a aerial photograph?
What is a scale
What is a surveyor
What is a fraction
a glacier ia a large mass or body of moving ice
an aerial photograph ia a picture of the earths surface taken from an airplane or spacecraft.
a scale is the ratio between a measured distance on a map
a person who measure an distance
a fraction tells the scale of a map as a ratio between distance,elevation,position,and boundaries of land areas