A, less than 5%. You can also find this answer on quizlet
<span>agriculture led to civilization because people no longer had to move to get food.
Before farming, people migrated with the animals and this caused a
nomadic lifestyle. In addition, farming allowed for surplus to be made,
and thus traded with other people. This allowed people to specialize in
different occupations instead of doing everything for themselves. </span>
The correct answer is a nutrient runoff.
Nutrient runoff is a major reason for eutrophication of surface waters, in which extra amount of nutrients, generally phosphorus or nitrogen, instigate growth of algae. Sources of nutrient pollution involve surface runoff from pastures and farm fields, emissions from combustion, and discharges from septic tanks.
Protein-energy malnutrition is a form of undernutrition caused by an extremely deficient intake of calories, protein, or both. Two examples of this type of malnutrition are kwashiokor and marasmus. Protein-energy malnutrition is more often caused by decreased absorption or abnormal metabolism. It is defined as a range of pathological conditions arising from coincident lack of protein and/or energy in varying proportions. The condition vary in forms ranging from mild through moderate to severe degrees.
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