Which atoms are most likely to form covalent bonds a) metal atoms that share electrons b) metal atoms that share protons c) nonmetal atoms that share electrons d) nonmetal atoms that share protons

The answer is C

Explanation:

This is because covalent bonds can only be formed by non metal atoms and covalent bonds are when non metal atoms share one or more pairs of electrons.

a chemical reaction

explanation:

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.