The H1N1 virus outbreak that circled the world in 2009 first arose in ___________.
A) pigs
B) humans
C) birds
D) mosquitoes
Correct Answer:
Verified
Q13: Picric acid is always stored wet,often in
Q14: Bisphenol A is _.
A)released from aerosol spray
Q15: In toxicology studies,LD50 is best described as
Q16: Deforestation causes an increased risk of_ .
A)hurricanes
B)mudslides
C)cholera
D)malaria
Q17: After initial testing on mice reveals that
Q19: Bisphenol A is most often found in_
Q20: A recent study indicated that more than
Q21: How might global climate change cause an
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