The correct answer to this question is B) Asteroid Impact.
All of the other answer choices can and have been caused by humans, such as Habitat loss, Over exploitation, and Invasive species.
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ALL of them......................
The reason why the infant of the mother has this type of abnormality is because of a history that she could have done that could have contributed to this abnormality, what would likely be the cause and the reason it occurred is because the mother has a history of chronic alcohol abuse.<span />
In DNA Nucletide monomer are linked to the next through covalent bonds
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