According to "From Barter to Bitcoin," which statement about bitcoin is true? It exists online as a digital currency and in the real world as a metal coin.

It is a form of fiat money, whose value is backed by the U. S. government.

Its value can change dramatically.

It was introduced in the 1940s.

Which of the following quotations reveal an omniscient point-of-view? a. "then the king got his spear in both his hands and ran toward sir mordred, crying, 'traitor, now has thy death-day come! '" b. "and the king thought that under him, far from him, was hideous deep black water; therein were all manner of serpents and worms and wild beasts, foul and horrible." c. "but when the hosts on both sides saw that sword drawn, they blew trumpets and horns and shouted grimly, and the two hosts rushed toward each other." d."then they agreed that king arthur and sir mordred should meet between their two hosts, and that each of them should bring fourteen persons with him."

Eleanor roosevelt repeatedly brings up the idea of education. what does she most likely mean when she uses the word education?

Which sentence uses the simple present tense of sleep? mr. ford sleeping on a feather mattress in his apartment. mr. ford will sleep on a feather mattress in his apartment. mr. ford sleeps on a feather mattress in his apartment. mr. ford slept on a feather mattress in his apartment.