2.4 Laboratory Exercises This lab is in color. Therefore, if you print it out in black and white, please refer to the electronic copy to avoid confusion. For these questions, open Google Maps, zoom out using the +/- buttons until you can see the whole east coast of North America and northwest coast of Africa. You may want to change to satellite view. Notice how well these coastlines match in shape. Locate a spot along each coastline that likely was originally joined together. 1. In Google Maps, right-click on each location and record the degrees (number before the decimal) for latitude and longitude for each location. a. latitude and longitude of the east coast of North America b. latitude and longitude of the northwest coast of Africa 2. Using Google Maps measuring tool, measure in kilometers the distance between the two points discussed in the previous question. To do this, right-click on one location and click "Measure Distance". Then click on the other location. The distance between the two points displays in miles and kilometers in a box at the bottom of the map. 3. Given that this portion of Pangaea broke apart 200,000,000 years ago, and using your answer from the previous question, calculate how fast North America and Africa are separating in cm/year. (Hints: Speed = Distance/Time; to convert kilometers to centimeters just multiply the number of kilometers by 100,000) 4. Using Google Maps, examine the west coast of South America, the east coast of Asia, and the Pacific Ocean. If South America and Africa are separating and the Atlantic Ocean is growing, then the opposite must be occurring on the other side of the Earth (the Americas are getting closer to Asia and the Pacific Ocean is shrinking). a. How far apart are North America and Mainland Asia in cm? (Measure the distance across the Pacific between Northern California and North Korea.) b. Take the distance you just measured and divide it by the speed you calculated in question 3 to estimate when the next supercontinent will form in years.