The key element in the expansion of the Indo-Europeans from their homeland wasA) iron weapons. B) monotheism. C) trade. D) horses. E) writing. D) horses.

the correct answer for this question is:

it is system invented in 1872 that produced the first illusion of movement. basically it was a disk with a series of drawings around the edge, showing the same object in slightly different poses. when it was spun, it created the illusion of movement.

found this online : )

the ingredients listed on a label are listed by amount. the ingredient there is the most of is listed first and it trickles down to the ingredient there is the least of.