B is the answer because......
Answer:
The properties of the asthenosphere are:
1. highly viscous
2. mechanically weak
3. ductile region of the upper mantle of the Earth
Earth's inner core is solid even though the temperature is so high because the pressure is also very high.
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.
Im pretty sure its the first one
