[I] competing for resources. [II] heat or cold. [III] oxidation reaction. [IV] electrically. [V] sharing electrons. [VI] evaporation. [VII] Temperature changing. [VIII] adding heat.

Fact 1: Chemical bonds form when substances react with one another. Fact 2: Chemical Bonding A chemical bond is the sharing or transfer of electrons. Given the two facts above, how do substances react with each other?
Answer:
[V]