PLEASE HELP WILL GOVE BRAINLIEST IF YOU ARE CORRECT!! The Sierra Nevada, a mountain range in California, is made largely of intrusive rock that was formed underground. Which process explains why rock that formed underground is now aboveground in the Sierra Nevada? A. It was moved to the surface by volcanic eruptions.
B. It was pushed upward by natural geologic processes.
C. It was left above the surface as the land around it sank.
D. It was weathered by the pressure from surrounding rock

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answer;

18.5 seconds

explanation;

velocity is distance covered per unit time; it is given by displacement divided by time.

thus; time = displacement/velocity

total time = total displacement/velocity

total distance = 5000 meters south

total time = 5000/4.5

                  = 1111.11 seconds

but; 1 minute = 60 sec

thus; 1111.11 /60

                = 18.51 seconds

thus; the time taken is 18.5 seconds