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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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
A scientific theory that seeks to understand relationships between all organisms, both alive and dead is:
Physics Geology Evolution Astronomy
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
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.