Absolutely nothing at all
Answer:
If Exosphere is not an option, then it would be Thermosphere
The movement of the seafloor and the tectonic plates has been responsible for the movement of the continents. The arrows in the model can be represented as "A: S, B: S, C: N, D: N"
<h3> </h3><h3>What are tectonic plates?</h3>
The big pieces of the earth's lithosphere that move is termed the tectonic plates. The movement of the plates has been given as the theory for the formation of the continents, as well as the cause of various disasters, including earthquakes and volcanos.
The model representing the movement of the plates from the center can be given in the N and the S direction. Thus, the representation of the arrows in the model will be: "A: S, B: S, C: N, D: N"
Learn more about tectonic plates, here:
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Posting warning and hazard signs near a pond, fencing your pool, etc etc
