Increase in population sizes lead to increasing demand for food farmers You synthetic fertilisers to add necessary nutrients to the soil sow crops girl what is the ultimate consequence of this fertiliser use?
a. deoxygenated water bodies
b. algal blooms grow rapidly
c. fertilizer runs off with rainwater
d. death of aquatic organisms
c. fertilizer runs off with rainwater
The ultimate consequence of synthetic fertilizer use can vary, but one common consequence is the runoff of fertilizers with rainwater into nearby bodies of water. This runoff can have several impacts on the aquatic ecosystem.
One consequence of fertilizers running off with rainwater is the increase in nutrient levels in water bodies. This excess of nutrients, particularly nitrogen and phosphorus, can lead to the rapid growth of algae. When algae populations explode, it is known as an algal bloom. Algal blooms can have harmful effects on aquatic ecosystems.
As the algae in the bloom die and decompose, bacteria break them down, using up oxygen in the water. This can lead to the depletion of oxygen levels in water bodies, resulting in deoxygenated water. Oxygen-deprived water bodies make it difficult for aquatic organisms to survive, leading to the death of many aquatic organisms like fish, insects, and other marine life.
Therefore, the ultimate consequence of synthetic fertilizer use can be a combination of options b (algal blooms grow rapidly) and d (death of aquatic organisms). The algal blooms lead to oxygen depletion, resulting in the death of aquatic organisms. Additionally, option c (fertilizer runoff) is also a direct consequence of synthetic fertilizer use.