Which of the following is true about inline skates? A. They are dangerous to use, and skaters must sign a waiver before
purchasing a pair.
B. They are only used in urban settings.
C. They have been used on the Moon.
D. They were the first kind of roller skates to be invented, and were
later repurposed as Rollerblades.

Ghana, first of the great medieval trading empires of western africa (fl. 7th–13th century). it was situated between the sahara and the headwaters of the sénégal and niger rivers, in an area that now comprises southeastern mauritania and part of mali.

Correct textbook answers would be 1,3, and 5

The truth is that any source can be the best source for some kind of research. as an example, if you were to write an essay about the credibility of wikipedia, would you avoid citing wikipedia? clearly not. as we know, the president of the united states jumps on twitter all the time. if you’re writing about trump, what better source can there be? it is, quite literally, an original historical document. the same would be true if you were writing about the events of the moderately recent revolutions in egypt and syria. what better source than someone who is right there in the thick of things? clearly you would have to contextualize the source as at least moderately unverified in most such cases.