which of the following systems brings about specialization? A. Mixed farming B. mixed cropping C. monoculture D. shifting cultivation

I’m not sure what your question is but this man is clearly choking. you would need to preform the heimlich maneuver to clear the mans airway. if all fails, call medical right away. i hope this ! : -)

Answer. av valves opens;

Answer in 2009 barack obama signed into law the family smoking prevention and tobacco control act, the new law (h.r.   1256) represents the most sweeping action taken to date to reduce what remains the leading preventable cause of death in the united states;

What is the question? just respond with the fully assembled question and i will respond in the comments. : )