Most El Nino climate patterns involve the Earth's atmosphere and the surface waters of the the Pacific Ocean<span>. El Nino is a climate cycle in the Pacific Ocean with a global impact on weather patterns. The cycle begins when warm water in the western tropical Pacific Ocean shifts eastward along the equator toward the coast of South America. Normally this warm water pools near Indonesia and the Philippines. During an El Nino, the Pacific's warmest surface waters sit offshore of northwestern South America. </span>
the answer to this question is A
