Ashaded relief map uses different colors to represent
a. urban areas.
b. rural areas.
c. elevation.
d. rainfall.

A shaded relief map uses different colors to represent elevation. The correct option among all the options given in the question is option "C". The shaded relief map is actually used to show the various high and low elevations of an area.It actually shows mountains and plains in different colors for people to understand.

2. x2 + 8x + 12 = 0 to prove: x = -6 or x = -2

No, because you are more likely to see volcanic mountains where magma is rising along the mid-ocean ridge spreading to the center.