Which of the following energy sources require wood and coal to produce large amounts of heat
a. hydropower
b. nuclear
c. steam
d. wind

Which was not characteristic of rome's two-hundred-year pax romana? oppression independence stability peace

The people who came to the american colonies in the 17th century had already been exposed to the idea of limited government mainly to the phrase in the declaration of independence stating "that governments are instituted among men, deriving their just powers from the consent of the governed" illustrates the principle of

According to experts for every person killed outright by a nuclear blast four more would die later from the