Push and pull factors
A push factor is a when someone gets pushed out there country such as when war is in occurance or since there isn't enough land
A pull factor is when someone is drawn to the new place such as new jobs and land
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.
To learn more about bipedalism visit the link
brainly.com/question/23894088
#SPJ4
We impose disability on people without legs when we assume that they cannot throw a ball.
<h3>Who are disables?</h3>
Disables are those that are not completed in their part of their body as a human being.
However, they may have disability in their hand, led, hence, We impose disability on people without legs when we assume that they cannot throw a ball.
Learn more about disability on:
brainly.com/question/25798465
#SPJ1
The us government is a democracy
