<span>He would be called an ecologist. And the study of ecosystems is called ecology
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Andrew Jackson (1767-1845), seventh president of the United States, symbolized the democratic advances of his time. His actions strengthened the power of the presidential office in American government. The second crowd that showed up at the mansion was made up of Jackson supporters who were dressed in their best clothes.
Disruptive mood dysregulation disorder I believe
I believe the answer is: <span>schizophrenia
Characteristic of the victim of schizophrenia includes Delusions, hallucinations, Emotional disorder, Disorganized speech, etc.
With our current medical advancement, we still haven't figure out the precise cause of schizophrenia, but studies suggest it strongly correlated with genetic factors</span>
