Which best explains why graphite is a good lubricant?

Carbon atoms form strong bonds within each graphite layer but weak bonds between layers.

Each carbon atom in graphite forms weak covalent bonds with three other carbon atoms.

Carbon atoms in graphite form alternating single and double bonds.

Carbon atoms in graphite form alternating single and double bonds.

Explanation:

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates