Answer:
Around 1.7 million years ago, we (our nonhuman ancestors) started throwing rocks at animals to kill them. Shoulder joints that enabled throwing were such a huge advantage that our ancestors exploded in population and spread to a wide territory
Explanation:
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Answer:
Around 1.7 million years ago, we (our nonhuman ancestors) started throwing rocks at animals to kill them. Shoulder joints that enabled throwing were such a huge advantage that our ancestors exploded in population and spread to a wide territory.
