In terms of GIS, what do balloons, pigeons, airplanes, and satellites have in common? (1 point) They have all been a part of GIS since the 19th century They have all been part of modern drone development They have all been part of the evolution of aerial photography, which is central to modern GIS They have all been flown by geologists

Answer 1

They have all been part of the evolution of aerial photography, which is central to modern GIS