What are three that make gps and gis

Explanation:

GPS means Global Positioning System. The Global Positioning System is made up of a system of satellites that orbits the earth in space. They help to locate object positions on the surface of earth by providing coordinates for positions.

GIS means Geographic Information System. A Geographic Information System helps to collect, store, manipulate, analyze, visualize and interpret geographical data.

GPS is subset of the Geographic Information system. It is used to collect the location attribute i.e positions of geographical data on the surface of the earth. GIS cannot do without the location attribute data offered by the GPS units.  

the correct answer is blue and green.

a visible spectrum is electromagnetic spectrum color that can be seen by a normal human being by a single wavelength of light. the visible light spectrum is the range of wavelengths that make up visible light. the visible light spectrum passes through a prism enabling the rainbow reveals all the colors in the spectrum. these range from red, orange, yellow, green, blue and violet.