(d) They were extremely radical.
Yes, it is true that the <span>Ziggurat of Ur is one of the most famous ziggurats, although it should be noted that any question having to do with fame is somewhat subjective. </span>
Alot of rocks are made from minerals
I believe it is true!!!!!!!
Coal and wood are two sources which had been used extensively since the 18th century. when steel was commercialized heavily using the Bessemer Proces later at the 19th century. At this time, petroleum became the major energy source of energy and was even used extensilvely in other processes as converting petroleum to fuels.
