True! It lasted about 2.5 million to 8000 bc i hope this helps!
Answer: The answer is C). Need, Efficacy, and Nature of the Intrusion
Explanation:
I believe the answer is: <span>a purely experimental branch of natural science
According to watson, every act of treatments that is aimed to fix a certain psychological problems is only based on prediction since there is no sure thing to predict other people's behavior due to the number of factors that might influence it. Because of this, he refers to psychology as a 'purely experimental;' branch.</span>
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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The statement above is talking about the Drive Reduction Theory. This theory, proposed by Clark Hull in 1943, talks about a certain drive that develops when a disturbance occurs in an individual's homeostasis or simply put, when someone has physical needs that need to be met.