Which of the following statements regarding dugongs is correct?
A) Their fur is thick, and each hair is dense for better insulation.
B) Their land-dwelling ancestors were cow like.
C) They are concentrated in coastal areas of the tropical Atlantic Ocean.
D) They are short animals that can reach lengths of only up to 2 meters.
E) They have a paddle like tail and rounded front flippers.
E
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Why is the Mid-Atlantic Ridge important to geologists?
A) It is a divergent boundary, causing the Atlantic Ocean to widen by about 5 centimeters each year. B) Massive earthquakes take place there every day. C) It is the source of tsunamis. D) Plate subduction occurs, shrinking the Atlantic ocean about 5 centimeters each year.
The U.S. population is projected to increase to over ________ by mid-21st Century
A) 250 million B) 425 million C) 400 million D) 300 million E) 1 billion
Which of the following is true about the Indonesian transmigration program?
A) a population redistribution program B) goals to reduce civil unrest and spread language C) lack of infrastructure in new settlements D) all of the above E) none of the above