Ihave to write three examples of each region costal, desert, mountains, and valleys what are some examples?

If both the president and the vice president can no longer serve, who will become the next head of state?

If we can't separate our civilized self from our savage self which will take over and why

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