How do El Nino weather patterns affect precipitation in the southern portion of the United States? A) There is less precipitation during El Nino years.

B) Precipitation is greater during El Nino years.

C) Precipitation does not change during El Nino years.

D) There is no way to predict precipitation changes during El Nino years.

During an El Niño, the southern part of the U.S. typically experiences wetter than average conditions, while the northern part is less stormy and milder than usual, said NOAA. During a La Niña, it flips, with colder and stormier conditions to the north and warmer, less stormy conditions across the south.

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explanation:

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.