The temperature of a substance is a measure of the average kinetic energy of the particles. A change in phase may occur when the energy of the particles is changed. ... There are attractive forces between atoms molecules, and these become stronger as the particles move closer together
Answer:
<em>It is a constant when the light is traveling in a vacuum.</em>
Explanation:
If they find them unattractive there's a probability they wouldn't mate because they are different species and genera
