Excess levels of metals in the water supply is the effect of improper livestock and improper irrigation practices.
Irrigation practices refer to various techniques in which water is supplied to plants or animals artificially either by using tubes, pumps or sprays. This is done when there is absence of rainfall or there is no water available for plants or rainfall.
Therefore, Excess levels of metals in the water supply is the effect of improper livestock and improper irrigation practices
Learn more about irrigation below.
https://brainly.com/question/903241
