Which of the following illustrates a single replacement reaction? O A 2Fe +3872 → 2FeBrz
O B. Ba(NO3)2 + NISO4 → Baso, Ni(NO3)2
O C. CaCl2 + Na2CO3 → CaCo3 + 2NaCl
O D. Fe + CuSO4 → Cu + FeSO4
SUBMIT

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: