Lawrence is having trouble listening effectively in his advanced philosophy course. usually he listens well in class, but the professor in this case is so full of information and he presents such complicated ideas that lawrence has difficulty following and retaining the lectures. lawrence is experiencing a listening obstacle known as

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between