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It was caused by an H1N1 virus with genes of avian origin. Meaning, it came/spread from birds such as North American and wild.
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Answer:
Antonyms: careful and meticulous
Synonyms; impetuous and neglectful
Explanation: hope this helped.
Sovereign means C) ability of a country to control its own affairs and function independently. The definition of sovereign is "...the full right and power of a governing body to govern itself without any interference outside sources or bodies."