What is the difference between earned income and unearned income?

Which of the following statements about this graph is accurate? world grain production has increased in every year since 1950. the amount of grain grown between 1950 and 1980 decreased. world grain production has generally increased between 1950 and 2010. more grain was grown in 1950 than in any other year.

The president has what role as the head of the armed forces 1.commander 2.general in chief 3.commander in chief 4.chief petty officer 5.joint chief

(this is just for fun) "alexander hamilton had a torrid affair and "(hamilton reference) : )