B. Old Stone Age.........................
Answer: Larger groups may find it easier to improve their collective skills at tasks such as making fishing nets. ... Through laboratory experiments, they showed that complex cultural traditions — from making fishing nets to tying knots — last longer and improve faster at the hands of larger, more sociable groups.
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I think the samee answer u got c im taking that test right now
Eyes. human body is almost completely bilateral if you have all your body parts. a sagittal plane divides the body from left side to ride side almost like a mirror image. bilateral symmetry is correctly described as your eyes or your ears. humans cant display radial or spherical symmetry either
