Why did the coal industry come to south wales? ?

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

All of the following came out of china and were exchanged along the silk road, except a. papermaking b. block printing c. buddhism d. compasses select the best answer from the choices provided a b c d

Uncle tom's cabin started out as a series of articles printed in the national era, a newspaper.