Answer:
D. Meteorite
Explanation:
A meteorite is a piece of meteor that survived being burnt up.
You can visit Paektu Mountain, Mansudae Hill Grand Monument and lot more.
Because, like shaking your head yes or no, it is understood by everyone, regardless of region or country.
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.