Characteristics of physical evidence that are common to a group of objects or persons are termed individual characteristics,
a) whereas class characteristics can be identified,
b) with a high degree of probability,
c) as originating with a particular person or source.

The process of rocks breaking down and becoming other rocks

1. describe the concept of the unitary executive. discuss whether this concept is practical.

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