Between 1931 and 1940 a ton of soil blew out of the central and southern great. It was a period of severe dust storms that greatly damaged the ecology and agriculture during the 1930s.
Answer:
It is known as The Sahel, also known as ساحل in Arabic.
Explanation:
Revolution means going around some point: Earth moves around its axis once per day and around the Sun once per year.
I am assuming here that you mean the revolution around the sun (around its own axis would be 360 degrees a day, a full circle, but the phrase is more commonly used to describe movement around the sun).
it revolves a full circle each year, that is 364 days. So each day it makes 360/364 Degress, that is approximately one degree per day - the answer is 1)
