Which part of venezuela is largely unexplored? a) andes highlands b) maracaibo lowlands c) guiana highlands d) llanos

Which technological breakthrough of the 1950s revolutionized the way that americans kept up with news and world events? a) radio b) internet c) television d) motion pictures

An individual who is experiencing a prolonged period of stress would likely have levels of circulating than an individual who was not experiencing stress.

Why do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less