Broken pieces of what types of rock are deposited into layers and cemented together to form sedimentary rock? Select one:
a. sedimentary
b. igneous
c. metamorphic
d. all of these

hey mate your answer is

D ALL OF THESE

HOPE IT HELPS YOU

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: