We tried a variety of hairstyles in those early years. The really short haircut (the Pixie, as it was then called) was my favorite, and coincidentally, the most hideous. Which words in the excerpt are clues that the story takes place in the past?

variety of hairstyles; the most hideous
was my favorite; really short haircut
We tried a variety; coincidentally
those early years; as it was then called

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