He was adopted or someone cheated jkjk not all of your chromosome are passed through to your appearance they are what your made up of how you look is a bonus I think not sure
Answer: to help in cell division in animals
Explanation:
The answer is; B
When the ocean waters in the Pacific ocean warm up and the currents begin to move eastwards towards the Western South American coast, then an El Nino is declared. This phenomenon also shifts tropical storms eastwards due to the exchange of heat between the hydrosphere and the atmosphere. El Nino occurs in a cycle every three to five years.