Answer:
XXY and autism, heart disease are some of the characteristics found
answer is b dont trust the verified answer for usa testprep
Answer:
Their erected pose, bipedal locomotion, broader brains and behavioural characteristics, such as specialised language communication, are some characteristics that distinguish hominins from other primates, both living and ended.
Explanation:
Answer is above
<em><u>Hope this helps. </u></em>
The layers above would be not as old and the layers below would be the older layers.