Answer:
The cold currents often form when the air on the subtropical high blows over a cold mass of water, then the cold air is dragged to the equator. Warm currents, on the other hand, are large masses of warm water moving further away from the equator, at higher temperatures.
They are the last ones to die or get extinct
Answer: EXCESS NUTRIENTS FROM FERTILIZERS
Explanation: Fertilizer is an organic or synthetic chemical materials which contains certain nutrients or chemical compounds required by plants for proper growth and development.
Euthrophication is the process of increase in the plant population in water bodies such as Algae and other higher plant species due to the release of nutrients into water bodies. This nutrients can be washed through the flooding of farm lands,erosion etc. Example of fertilizers include livestock manures,Ammonium nitrogen fertilizer,Nitrate nitrogen fertilizer,Amide nitrogen fertilizer,Agricultural waste etc.
