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Answer:
Embryonic stem cells are capable of self-renewal and limited differentiation
Explanation:
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Answer:
In an oceanic environment the photic zone is the zone where light can be received it's usually from 0 to 200 m deep but this depth can be modified by the turbidity of the water. The aphotic zone is the zone where no light is receives it goes from 200 to the bottom of the sea.
Explanation:
carbon date then figure out what species
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