Russia exited World War 1 by signing a peace treaty with Germany called the Treaty of Brest-Litovsk.
Answer:
Continental drift was a theory that explained how continents shift position on Earth's surface. Set forth in 1912 by Alfred Wegener, a geophysicist and meteorologist, continental drift also explained why look-alike animal and plant fossils, and similar rock formations, are found on different continents.
Answer:
B. massive volcano eruptions occurred frequently 80 million years ago
Water stress refers to economic, social, or environmental problems caused by unmet water needs. Lack of supply is often caused by contamination, drought, or a disruption in distribution. In an extreme example, when Côte D’Ivoire split four years ago between the rebel-led north and government-ruled south, the conflict led to unpaid water bills, which precipitated a dangerous health threat in the region, increasing the risk of water-born diseases such as cholera. Some analysts believe the disruption of distribution was a political ploy to put pressure on the rebel-led north.
While water stress occurs through