The blank of plants was a turning point in human history

The Farming of plants was a turning point in human history. Ths allowed larger civiliations and the first empires to emerge. Also, technical advances were possible because people could specialize in one subject, such as mathmatics, due to calorie surplus, a.k.a farmers making more foo than they need for themselves.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

the correct answers are: 1) lay and collect taxes and duties; 2) pay debts; 5) borrow money;   6) regulate commerce with foreign nations.

article 1, section 8. refers to the powers of congress. according to the united states constitution: “the congress shall have the power to lay and collect taxes, duties, imposts, and excises, to pay the debts and provide for the common defense and general welfare of the united states.”