Heat from deep within Earth is thought to keep the asthenosphere malleable, lubricating the undersides of Earth’s tectonic plates and allowing them to move. Convection currents generated within the asthenosphere push magma upward through volcanic vents and spreading centres to create new crust. Convection currents also stress the lithosphere above, and the cracking that often results manifests as earthquakes. According to the theory of plate tectonics, the asthenosphere is the repository for older and denser parts of the lithosphere that are dragged downward in subduction zones.
The average speed is
(95 + 55)/5 = 150/5 = 30 kilometers/hour
The hypothesis is an educated guess, so it cannot be used as a firm statement. In an experiment, the hypothesis is just a guideline that is tested & may or may not be true based on the results.
Hope that helps!
If you have all this smoke and stuff covering your eyes it makes it harder to make things get there that one reason your eyes water too