Explanation/Answer:
Among Russia's most important environmental problems: Water pollution is the most serious concern. Less than half of Russia's population has access to safe drinking water. ... Air quality is almost as poor as water quality, with over 200 cities often exceeding Russian pollution limits, and is likely to worsen.
Answer:
Dynamothermal (regional) metamorphism occurs when (A) rock becomes deeply burried during continental collision and mountain building.
Explanation:
Its located in <span>Vietnam</span>
Letter A. The statement that best describes 21st-century migration flow to the United States is that l<span>arge numbers of immigrants and migrant workers, including skilled and unskilled laborers and many with advanced degrees, are coming to the United States from South and Central America.</span>
D. To keep different races and ethnicities separated in order to avoid conflict.
