Answer:TRUE
Explanation: Displacement is a change in position of an object or a person starting from where he or she started or where the object was sent from to the final point. If an object or a person returns to the same point as at the point he or she started the person's displacement is ZERO.
Distance is the term used to describe the length covered, it measures from the starting point to the finish line it is a NON ZERO VALUE. Both DISPLACEMENT AND DISTANCE COVERED ARE SCALAR QUANTITIES.
It is true that Anthropologists believe that one selective pressure for the evolution of bipedalism was that walking on two feet is more energy efficient than walking on four feet.
<h3>
The advantages</h3>
Bipedalism authorized hominids to free their arms totally, enabling them to make and use mechanisms efficiently, stretch for fruit in trees and utilize their hands for social display and transmission.
<h3>
Which of the following is a disadvantage to the development of bipedalism?</h3>
Bipedalism has placed a burden on humans' circulatory systems, which are needed to pump blood from the heart to the head and the feet. One consequence of this overworking of the circulatory system is swelling, or varicose, veins.
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Answer: A. a paradigm shift,as it challenged the existing paradigm of the day
Explanation:
A paradigm shift is a major change that occurs in the practices and the concepts of how something works.
Since Ptolemy believed that the earth was at the center of the universe while Copernicus asserted the notion that the sun was at the center of the solar system. Thomas Kuhn would call this an example of paradigm shift.