Which of the following makes a true statement? (1 point) select one: a. reserved powers are those that are exclusive to the states, such as ratifying amendments. b. reserved powers are those that are exclusive to national government, like printing money. c. concurrent powers are those that are exclusive to the states, such as ratifying amendments. d. concurrent powers are those that are exclusive to national government, like printing money.

The nineteenth century was an era of great inventions in the united states. look at the list of inventions below and order them from most to least important (in your opinion). then explain why you ranked the top three inventions as most important. 1834: refrigerator invented by jacob perkins 1837: morse code invented by samuel morse 1853: elevator invented by elisha graves otis 1873: typewriter invented by christopher latham sholes 1876: telephone invented by alexander graham bell 1877: gramophone invented by thomas edison 1879: light bulb invented by thomas edison 1886: dishwasher invented by josephine cochran

In the mid-1800s, native americans who had lived in the westtraded their manufactured goods with settlers.were able to resist diseases carried by settlers.offered their services as guides to settlers.prevented settlers from moving onto their territory.

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?