What type of map is best suited for maritime navigation?
a. conic projection
b. topographic
c. mercator projection
d. geologic

C. Mercator projection

The four tools that mapmakers uses in order to help reader interpret information on maps are:
=> Direction - This is where they give the direction on the map. Where to find the North, South, East and West.
=> Legend – This is where they give symbols on a map in order to depict meaning of a certain object written in a Map
=> Title – This is the most essential feature of the map. The content of the title should also be measured regarding to the lettering used.
=> Diagram – This is where neatlines, locater maps, insert maps and index maps are indicated. 

Answer a mineral that contains a combination of silicon, si, and oxygen, o, is a silicate mineral. hope it ^.^