The state of California experiences periodic occurrences of higher than average precipitation. This causes flooding due to heavy rainfall. Which weather phenomenon most likely causes this and why? La

The state of California experiences periodic occurrences of higher than average precipitation. This causes flooding due to heavy rainfall. Which weather phenomenon most likely causes this and why? La Niña, because of weakening of trade winds El Niño, because of weakening of trade winds El Niño, because of strengthening of trade winds La Niña, because of strengthening of trade wind