Answer:
Dams help in preventing floods. They catch extra water so that it doesn't run wild downstream. Dam operators can let water out through the dam when needed. The first upstream flood control dam was built in 1948, Cloud Creek Dam in Oklahoma.
People build reservoirs because the amount of water in a river varies over time. During very rainy times or when mountain snow is melting, the water in a river rises and sometimes overflows its banks. By limiting the amount of water allowed to continue downriver, reservoirs help control flooding.
Explanation:
Answer:
Spain
Spanish minister Do Luis de Onis and U.S. Secretary of State John Quincy Adams sign the Florida Purchase Treaty, in which Spain agrees to cede the remainder of its old province of Florida to the United States. Spanish colonization of the Florida peninsula began at St. Augustine in 1565.
Explanation:
I would say cover the soil. In order for it to be secure and/or washing away, it has to be secured with a cover. You cannot put the soil beneath the ground because it wouldn’t get the nutrients it needs. So the answer would be number one.