yes most jobs are primary, secondart, tertiary, and quaternary
Hills are easier to climb than mountains. They are less steep and not as high. But, like a mountain, a hill will usually have an obvious summit, which is its highest point. According to the U.S. Geological Survey, there is no official difference between hills and mountains.
Decrease pesticide use
<span>develop "cleaner" pesticides
increase organic farming</span>
