Two reasons:
1. cold winters
2. rocky soils (not good for growing plants)
The movement of elements of the environment relative to the observer is called Optic flow.
Optical flow is defined as the obvious motion of man or woman pixels at the image aircraft. It frequently serves as a very good approximation of the real physical motion projected onto the photo aircraft.
Movement-generated optic waft, as soon as detected, allows event belief and therefore, the perception of constituent items. A Neural hobby in Early motion-imaginative and prescient Neurons Is Modulated by Behavioral nation. Flies use optic waft—retinal photo shifts that are as a result of the relative motion among their eyes and their visible surroundings—to stabilize their on foot and flight paths, stability and gaze.
Optical glide is a vector subject among two snap shots, showing how the pixels of an object in the first picture may be moved to shape the identical object in the 2nd picture . it's far a type of correspondence studying, because if the corresponding pixels of an item are regarded, the optical go with the flow subject can be calculated.
Learn more about Optic flow here:- brainly.com/question/14751566
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It contributed to the rise of the mongol empire. It also the first empire that had people able to ride horses, shoot with bows and move around.
Regents of the University of California vs Bakke affirmed affirmative action by ruling it as entirely constitutional. This allowed for affirmative action programs to have a clear set of laws and regulations regarding their behavior <span>and rights.</span>
