Polygon B is a scaled copy of Polygon A using a scale factor of 5.
How many times larger. is the area of Polygon B than the area Polygon A?
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Geologists use  seismic waves to  locate an earthquake's epicenter.. 

B. to study the spatial patterning of forests and forests fires and plan for better use of fire fighting resources in the u.s.

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.