How is a molecule different from an element?
A. An element is made of more than one
type of atom.
B. A molecule has properties different
from the elements making up the
molecule.
C. An element shares electrons and a
molecule does not.

A

Explanation:

Molecule is a substance with two or more atoms bonded together such as the oxygen humans breathe (O2). Elements are pure substances made up of all the same atoms such as gold (Au), hydrogen (H), and oxygen (O). Elements all have the same number of protons in their nuclei and can't be broken down.

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.