Circle should be on number 13 because three chromosomes means that there’s a disability or abnormality.
Plz mark as brainleast plzzz :)
The Biblical flood would have caused the death of all life on earth, except for those on the arc, which would have resulted in fossils that are now found. Fossils being found in different layers of rocks could have been a result of how they settled as the waters receded.
Placenta
It also does not allow the maternal and fetal bloodstreams to mix
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