WHAT is the big idea of the book a bone from dry sea

PLZ HELP ME I MARK BRAIN LEST

Two stories are woven together to show the striking similarities of humans and their ancestors, though millions of years may separate them.  Li and Vinny are both two young girls on the same bit of African plain, but what separates them is not their curiosity about the world around them, or their desire to learn all they can, but four and a half million years.  Li was the first of her kind to really think about the world and about life.  To question feelings and to wonder why things that happened did happen.  She had an inquisitive mind that could solve problems and she ultimately saved her kind from death.  Vinny makes an impact on human kind in almost a profound a way when she discovers the remains of a humanoid who lives in and by the sea who wore a dolphin scapula in her hair just as Li did.  This discovery could change the theory of evolution and fill in the “missing link” in our history.   A Bone From the Dry Sea does not focus only on finding bones and explaining theories, but it is discussion on the wonders of an awakening mind.  both the mind of a young modern girl, and that of a creature who is the first of her kind to awaken.

Explanation:

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answer; i believe the two groups were irish immigrants and chinese immigrants;

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