The Precambrian time refers to the time 4.5 billion to 542 millions year ago. This period is characterized by having reduced atmosphere and included reduced compounds. Scientists believed that atmosphere at that time was devoid of free oxygen and CO2 was present in excess. Before the complex life evolved on the Earth, the Precambrian Earth's ocean contained dissolved carbon dioxide.
Malfunction might lead to organ diseases, and might alter the body metabolism.
Hominids have a larger brain. Other primates have smaller brains compared to humans, gorillas,chimps, and other Great Apes<span />
Answer:
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