Answer:
<u>Many</u><u> </u><u>human</u><u> </u><u>activities</u><u> </u><u>have</u><u> </u><u>a</u><u> </u><u>significant</u><u> </u><u>impact</u><u> </u><u>on</u><u> </u><u>nitrogen</u><u> </u><u>cycle</u><u>.</u><u>.</u><u>.</u><u> </u>
<u>In agricultural systems, fertilizers are used extensively to increase plant production, but unused nitrogen, usually in the form of nitrate, can leach out of the soil, enter streams and rivers, and ultimately make its way into our drinking water.</u>
Explanation:
<u>Hope</u><u> </u><u>it helps</u><u> </u><u>you</u><u> </u><u>:</u><u>)</u><u> </u>
<u>Keep Learning</u><u> </u><u>:</u><u>)</u><u> </u>
<u>Have a</u><u> </u><u>good day</u><u> </u><u>ahead </u><u>:</u><u>)</u><u> </u>