We as humans need Nitrogen to survive. We breath 78 percent nitrogen and 21 percent oxygen
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Approximately 175,000 federal inmates are in the united states.
It is important for Latin America to diversify it's economy because for one thing, L.A. wouldn't have to take the risks of a failed business by relying on one crop or resource. Another reason is that more diverse crops or resources brings in a steady amount of money with varied products, and L.A. would be taking their chances by just relying on one crop/resources.
What do you mean by hard are you talking about violence, crime,unemployment?