During el niño, what happens to the coastal marine ecosystems near peru? they thrive. their productivity increases. they collapse they remain unaffected. what factor is most important in causing tropical cyclones to diminish in strength when they make landfall? increased friction with the land surface o increased evaporation o decreased friction with the land surface o reduced evaporation what happens to their winds when tropical cyclones move over warm water? they intensify. they change direction. they weaken. they remain unchanged. o how is sea spray important to tropical cyclones? it decreases evaporation o it increases evaporation. it reduces the air's humidity. it decreases condensation.

1. Their productivity increases, 2. increased friction with the land surface, 3. They intensify, 4. It increases evaporation.

Explanation:

When the El Nino a southern oscillation reaches the Peru coast it upwells warm water and which is beneficial to the fishes and marine life. As the upper water planktons depend on this nutrient-rich water and thus thrive and increase in productivity. Its a fact that the cyclones drive their energy from the warm moisture supply of water from the oceans and seas and when they make a landfall they collapse and they can't move to the interior as the friction a force and the number of energy decreases and thus they fall. When the tropical cyclones form in the warm waters they intensify and grow bigger in size and thus move further quickly. As the sea sprays are salts that are ejected from the oceans they are a process of heat transfer and intensify the formation if a cyclone, transferring heat, momentum, and moisture into the air.

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