Threats include:water controlintroduced species<span>development</span>
Explanation:
1.income is the amount of money received by a person, group or company during certain period
2.if the income is high than a child can study in good school .there will not be shortage of food .
we can check our health time to time . we can visit where we want.
3.if the income is not sufficient then a Person can be stressed . family members willnot get proper food ,clothing , shelter etc.childerns can't study in time or we can say can't study in good and faciliable school.
