While walking through a natural history museum, your little cousin points out the skull of an australopithecine with a large crest on the top and asks you what its purpose was. to simplify a complicated evolutionary trait, you tell your cousin that:

these hominids had muscles to eat hard foods such as nuts

Explanation:

Australopithecine refers to several species of an extinct bipedal primate. Researchers disagree on which of the species evolved into the homo in Africa two million years ago. However, observation of their remains indicates that australopithecines possessed larger post canine teeth with more enamel that modern humans and apes, which could demonstrate their consumption of hard food like nuts.

elizabeth loftus conducted a study to observe the reliability of eyewitnesses during the 1970s. their baseline was to define how accurate are the recollections of eyewitnesses.

her studies do not support the use of eyewitness. loftus mentions in her work that we are not required to recall some experiences, meaning that rarely an individual eyewitness testimony is trustworthy. a good example is presented in her work, where all individuals watched a video and were than asked "about how fast were the cars going when they hit/smash? ". the testimonies changed based on the word she used to make the question (hit or smash), proving the fragility.

answer; the population in brazil is very diverse there are many races and ethnic groups