Tamara is part of a crew on a ship that has been working with an augmented GPS program. Their project is to map the ocean floor beneath
them. Which technology would Tamara's team use to augment the GPS while mapping the ocean floor?
A satellite imagery
B. photogrammetry
C meteorology
D. SONAR

they most likely have a instrumental version. just look it up on google.

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artists need to create a realistic interpretation so that people in general can relate to the artwork. for a common people, an artist's impression gets increased only if he can create something which would look realistic. an abstract is difficult for a common people to understand whereas if a person can draw a girl with simple pencil sketch and if that looks like a real figure then the latter will be praised more than the former.