Answer:
The answer is "runoff from fertilizer".
Explanation:
The fertilizer is any natural or synthetic material, which is applied with soil or tissue of plant species and provides one or more plant foods, which are necessary for plant growth.
Due to the high durability and excessive irrigation use, nitrate fertilizers, which provide high solubility, as well as the nitrate ion throughout the finishes the product and readily drained away, that's why the given choice is correct.
The commonest source by which nitrates find its way into different water bodies is through runoff from fertilizer applied to different farmlands.
Nitrates represent a very important class of plant nutrients which are highly essential for plant growth. Usually, nitrates enter into water bodies via different sources.
The commonest source by which nitrates find its way into different water bodies is through runoff from fertilizer applied to different farmlands.
Learn more about runoff from fertilizer: https://brainly.com/question/19097871
