Answer:
Explanation:
Humans use rivers for irrigation in agriculture, for drinking water, for transportation, to produce electricity through hydroelectric dams, and for leisure activities like swimming and boating. Each of these uses can affect the health of a river and its surrounding ecosystems.
Answer:
B Aryans and Jews
Explanation:
This is because Aryans are young adults who are trying to be exactly like Hitler and Jews are one category of people that Hitler killed
Answer:
( B) fear of a two-front war against France and Russia
Explanation:
Germany had plans to attack Russia but they knew that France would honour its alliance with Russia. This will result in France and Russia liaising to fight Germany. This made Germany always afraid and decided to increase its military spending to get ready and prepared for the both countries.
Germany's constant fear in the 19th and 20th centuries which led to increased military spending was the threat of a two-front war against France and Russia.