The primary source of fuel in South america is petroleum.
-Agarvated
The answer is the spring equinox
United States Constitution was ratified in 1789, but had not much without a very considerable debate. During Constitutional Convention, delegates debated major issues such as the makeup of the legislature and the effect of slavery on representation.
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.
Answer:
I'll will say it could be 3 or 4
