A chemical reaction at equilibrium always has . A. A forward reaction rate that equals the reverse reaction rate.
B. A high Keq value.
C. Equal concentrations of reactants and products.
D. Zero energy

A

Explanation:

A. A forward reaction rate that equals the reverse reaction rate.

Explanation:

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: