The answer is B. Russia's fertile soil is extremely depleted from constant use.
Answer:
The use of fertilizers
Explanation:
Eutrophication simply implies the increase in nutrient or nutrient enrichment.
Commonly, waterways are connected to other water bodies. When water from farmlands washes fertilizers into them, there is an increase the available nutrient. Overtime, the water can be oversaturated with nutrients and this would lead to eutrophication. We can attribute eutrophication to human activities.
Do you mean the center of the earthquake?
If so, it is the hypocenter (focus)
Answer:
C the Mediterranaen Sea
Explanation:
The Mediterranean sea is the most overfished sea in the world