The development of heisenberg's uncertainty principle had what effect? a. objectivity became questioned. b. scientific progress stopped. c. people could now objectively know truth. d. electrons became impossible to study.

Civil liberties in latin america vary. this means that

Why was the development of an alphabet an important advancement for the phonician civilization? check all that apply

Which of the following statements about the economic consequences of the civil war is not accurate. a. inflation caused prices to rise by 80% in the north. b. because southern farms cannot process enough food for everyone in the south the union navy allowed food shipments from britain. c. to pay for all of the food supplies and arrangements that were necessary for the union army congress instituted an income tax. d. business boomed in the north as factories and farms always had a market for their products.