Marginal costs. Keep in mind that marginal means on the edge of something, so the cost of producing one more unit would be on the edge. Hope this explanation helps.
I guess it is one of b and c
but my 98% consent is with B option: technology is increasingly <span> replacing </span>physical<span> human labor.</span>
They transported them west by the growing railroad
Answer:
Andrew Carnegie's veiws eventually helped make many millionaires . Compaired to the average coal miner mentality (9 to 5 way of going about life.)
Explanation:
Andrew Carnegie did not want to die without teaching people all his incredible knowledge he had learned in his amazing life . Andrew eventually met a young reporter named Napoleon Hill and decided that Hill qualified to help Andrew teach the world his way of thinking . Hill learned and with what he had learned he wrote a little book he named Think And Grow Rich . That little book has helped more poeple become millionaires then any else in history . More millionaires attribute their success to that book then anything else in the world .
The Hohokam people are best known for leaving behind exotic stone and shell artifacts like necklaces and earrings.
