The adjective Refined has 6 senses:
1. (used of persons and their behavior) cultivated and genteel
2. freed from impurities by processing
3. showing a high degree of refinement and the assurance that comes from wide social experience
4. made pure
5. suggesting taste, ease, and wealth
6. free from what is tawdry or unbecoming
<span>c. limestone...............................</span>
I think the answer is plate movement. Tectonic plate movement is the movement on the lithosphere. This movement is defined into three; we have the convergent, divergent and transform. Plate movements often caused volcanic eruptions as well as earthquakes, depending on the movement on the plates.
<span>C. Mercator projection</span><span>
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.</span>