The enzymatic breakdown of large molecules into their basic building blocks is <u>Mechanical Digestion </u>.
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.
The answer should be advantame
Reproductive system and it's functions
