What are the rock name and map symbol used to represent the sedimentary rock that has a grain size of 0. 006 to 0. 2 centimeters.

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

the dissolution of polymer can be thermodynamically described in 2 steps.

it's c (engineer's do their work with mechanical stuff not on any living being)