Answers

2015-03-17T21:40:16+08:00

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( i don't know if this is the right answer but..... i'll try)

i think it is the dolphins... like there are 129 species of marine mammals i don't think the taxonomists and scientists cared and studied for the first mammal in the water... but i still think its the dolphins...

hope it helps....

:)

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2015-03-20T14:38:49+08:00

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There are no specific answers about this because for some reasons, they can't predict who really came first, but my answer would be---- it is either dolphins, whales or sharks.

Hope it Helps =)
------Domini-----

~Happy Summer Vacation~ 
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