Sea Floor Spreading. Use Google Earth to answer the following questions and fill

Question

Sea Floor Spreading. Use Google Earth to answer the following questions and fill in the table provided below. a. Download the attached kmz file for Google 2. Earth. When opened, it will show you the age of the sea floor. Determine the age of the sea floor off the eastern shore of the US (Cape Island, South Carolina). You may have to approximate. b. Determine the age of the sea floor off the coast of northwestern Africa (Casablanca, Morocco). You may have to approximate. Measure the distance between Cape Island and Casablanca. c. d. Calculate the rate that the continents are moving apart. Express your answer in centimeters/year. Compare the spreading rate to the growth rate of your fingernail. Which is faster? e.

Explanation / Answer

ANSWER-

(a)Age of the sea floor at eastern shore of USA could be around 180ma.

(b)Around 250 ma along NW coast of Africa near Morocco.

(c)Around 8000km distance from casablanca ,Morocco to Cape island USA.

(d)2-5 cm/year is the continental movement rate.

(e)Growthrate of nail is quite faster than sea floor spreading rate.

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