Sagot :
Answer:
B
Explanation:
When nitrogen and phosphorus are readily available in a form plants can use, such as nitrate and phosphate, plant growth can explode. Too much plant growth in the water can have negative effects on aquatic systems. ... Major sources of nitrate and phosphate are fertilizer, sewage and runoff from animal farms. Hence, Nitrogen and phosphorus support the growth of algae and aquatic plants, which provide food and habitat for fish, shellfish and smaller organisms that live in water
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