What was the result of the agricultural, or Neolithic, revolution? Extinction of megafauna
Migration of humans around the globe
population growth
mass extinction
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population growth

Explanation:

The Neolithic Revolution, also known as the Agricultural Revolution, was a period of human evolution that began around 10,000 B.C. During this time, humans started for the very first time to establish permanent settlements where they could cultivate plants and breed animals for food, in opposition to the previous nomadic communities of hunter-gatherers. Only in this new period, population growth was possible, and eventually, it led to the development of cities.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

the correct answer is:   "   3.6 % " .

          →   the unemployment rate is:   " 3.6 % " .

explanation:

to calculate the "unemployment rate" :

the "unemployment rate"   =

  [# of people unemployed] /   [working age population]   * 100 %   ;

                =   [9 million] / [250 million]     *   100 % ;

    →     note:   the units of "million" cancel out;

                    since:   " {million} / {million} = 1 " ;

                =   (9 / 250)   * 100 %   ;

                = 0.036 * 100 % ;

                =   3.6 %

answer:   the unemployment rate is:   " 3.6 % " .