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:
immigration help to a country to grow their labor or taxes
Explanation:
Immigrants also make an important contribution to the U.S. economy. Most directly, immigration increases potential economic output by increasing the size of the labor force. Immigrants also contribute to increasing productivity.
(x • 2) + 3 is the algebraic expression.
If the first term is 4, then it is followed by 11, 25, 53.
Simply replace the ‘x’ by whatever term is followed.
Sand, silt, clay
Soils can vary and be like loamy sand, sandy clay, silty clay, etc too