Which of the following seas has almost completely disappeared because of irrigation in the area? a. the aral sea b. the black sea c. the caspian sea d. the aegean sea

Greg goes to a high school and observes the way students talk to each other. he makes notes on the words used, the atmosphere of the school and the way the students present themselves to each other. this is an example of a( research method.

As of 2013, the world’s total population was about

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