Overgrazing of drylands is a big one. An immediate reason is the removal of vegetation. This is caused by a few things like drought, climate change, tillage, deforestation, and overgrazing.
Answer:
The first Europeans to ever set eyes on the river were Hernando De Soto and his group of explorers in 1541. ... In 1682, a Frenchman by the name of Robert de La Salle reached the mouth of the Mississippi and claimed the entire valley in the name of France.
Answer with Explanation:
Among all the scientists in the world, it is Thomas Edison whom I'd like to emulate. His invention of the light bulb is phenomenal because I consider it as one of the greatest invention in the history of mankind. Although he had a hearing problem, he managed to focus on his invention. As a businessman, he was always hardworking, even at a young age, which is truly admirable.
Monongahela River, Ohio River, and Allegheny River.