2. what three things are involved in a renal transplantation?

Answer Open Organ Retrieval Standard Preparation Allotransplantation

Explanation

The three things involved in Renal Transplantation are as following:

Open organ retrieval ( that is the availability of organ either from any donor or recently died person).Standard preparation ( means standard solution are solutions with a known concentration of a substance that are used in chemistry and analytical chemistry to identify the concentration of unknown substance).Allotransplantation  ( that is transplantation of cells, tissues or organ to a recipient from genetically non- identical donor of the same species).

"observation" would be the correct answer

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;