It occurs when pokemon evolve hope this helps
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
Because their masses are different
Porque sus masas son diferentes
Meiosis.
Meiosis results in four cells of the original, each with a halved amount of chromosomes, you could say.
Answer:
It is most likely formed underground
Explanation: