What could account for difference between the rate of motion

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Reference no: EM133405488

Questions:

1.) Another approach to measuring the plate motion of the North American Plate is to use GPS (Global Positioning System) measurements. GPS measurements indicate that the North American plate is currently moving 1.97 centimeters/year (cm/y).

To be able to compare two measurements of plate motion they need to be expressed in the same units. Convert the answer in question 28 (30km) to cm/y so that it can be directly compared to the GPS measurement of plate motion.

2.) Compare the plate motion rate calculated in question 29 based on the Yellowstone Hotspot track with the current GPS determined value of 1.97 cm/y.

3.) What could account for the difference between the rate of motion of the North American plate you calculated using the Yellowstone hotspot track and the current rate of motion determined using GPS measurements?

Reference no: EM133405488

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