Question

the drawings show the arrangement of earths continents today and at four times in the past. if a geologist placed gps receivers in south america and africa, what would she most likely observe? a the receivers move closer together over time. b the receivers move apart over time. c the receivers do not move over time. d the receivers move closer together and farther apart in a repeating pattern every few years.

Explanation:

South America and Africa are on different tectonic plates that are moving apart due to seafloor - spreading at the Mid - Atlantic Ridge. GPS receivers would detect this movement.

Answer:

B. The receivers move apart over time.